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Diffstat (limited to 'doc/history_3.ps')
| -rw-r--r-- | doc/history_3.ps | 851 |
1 files changed, 434 insertions, 417 deletions
diff --git a/doc/history_3.ps b/doc/history_3.ps index 75b6841..1f2b083 100644 --- a/doc/history_3.ps +++ b/doc/history_3.ps @@ -1,10 +1,10 @@ %!PS-Adobe-3.0 -%%Creator: groff version 1.22.3 -%%CreationDate: Thu Dec 14 11:39:35 2017 +%%Creator: groff version 1.22.4 +%%CreationDate: Mon Oct 12 10:59:26 2020 %%DocumentNeededResources: font Times-Roman %%+ font Times-Bold %%+ font Times-Italic -%%DocumentSuppliedResources: procset grops 1.22 3 +%%DocumentSuppliedResources: procset grops 1.22 4 %%Pages: 7 %%PageOrder: Ascend %%DocumentMedia: Default 612 792 0 () () @@ -14,7 +14,7 @@ %%PageMedia: Default %%EndDefaults %%BeginProlog -%%BeginResource: procset grops 1.22 3 +%%BeginResource: procset grops 1.22 4 %!PS-Adobe-3.0 Resource-ProcSet /setpacking where{ pop @@ -240,7 +240,7 @@ BP 10.95/Times-Bold@0 SF -.219(NA)72 84 S(ME).219 E F0 (history \255 GNU History Library)108 96 Q F1(COPYRIGHT)72 112.8 Q F0 (The GNU History Library is Cop)108 124.8 Q -(yright \251 1989-2017 by the Free Softw)-.1 E(are F)-.1 E +(yright \251 1989-2020 by the Free Softw)-.1 E(are F)-.1 E (oundation, Inc.)-.15 E F1(DESCRIPTION)72 141.6 Q F0(Man)108 153.6 Q 2.81(yp)-.15 G .31(rograms read input from the user a line at a time.) -2.81 F .309(The GNU History library is able to k)5.309 F .309 @@ -292,588 +292,605 @@ G(nts are relati).15 E .3 -.15(ve t)-.25 H 2.5(ot).15 G (Start a history substitution, e)144 429.6 Q(xcept when follo)-.15 E (wed by a)-.25 E F2(blank)2.5 E F0 2.5(,n)C -.25(ew)-2.5 G (line, = or \(.).25 E F2(!)108 441.6 Q F3(n)A F0(Refer to command line) -144 441.6 Q F3(n)2.5 E F0(.).24 E F2<21ad>108 453.6 Q F3(n)A F0 -(Refer to the current command minus)144 453.6 Q F3(n)2.5 E F0(.).24 E F2 -(!!)108 465.6 Q F0(Refer to the pre)144 465.6 Q(vious command.)-.25 E +144 441.6 Q F3(n)2.86 E F0(.).24 E F2<21ad>108 453.6 Q F3(n)A F0 +(Refer to the current command minus)144 453.6 Q F3(n)2.86 E F0(.).24 E +F2(!!)108 465.6 Q F0(Refer to the pre)144 465.6 Q(vious command.)-.25 E (This is a synon)5 E(ym for `!\2551'.)-.15 E F2(!)108 477.6 Q F3(string) A F0 .865(Refer to the most recent command preceding the current positi\ -on in the history list starting with)144 477.6 R F3(string)144 489.6 Q -F0(.).22 E F2(!?)108 501.6 Q F3(string)A F2([?])A F0 1.503(Refer to the\ - most recent command preceding the current position in the history list\ - containing)144 513.6 R F3(string)144 525.6 Q F0 5(.T).22 G(he trailing) --5 E F2(?)2.5 E F0(may be omitted if)2.5 E F3(string)2.84 E F0(is follo) -2.72 E(wed immediately by a ne)-.25 E(wline.)-.25 E/F4 12/Times-Bold@0 -SF(^)108 542.6 Q F3(string1)-5 I F4(^)5 I F3(string2)-5 I F4(^)5 I F0 -2.63(Quick substitution.)144 549.6 R 2.629 -(Repeat the last command, replacing)7.629 F F3(string1)5.469 E F0(with) -5.129 E F3(string2)5.129 E F0 7.629(.E).02 G(qui)-7.629 E -.25(va)-.25 G -2.629(lent to).25 F -.74(``)144 561.6 S(!!:s/).74 E F3(string1)A F0(/)A -F3(string2)A F0(/')A 2.5('\()-.74 G(see)-2.5 E F2(Modi\214ers)2.5 E F0 -(belo)2.5 E(w\).)-.25 E F2(!#)108 573.6 Q F0 -(The entire command line typed so f)144 573.6 Q(ar)-.1 E(.)-.55 E F2 --.75(Wo)87 590.4 S(rd Designators).75 E F0 -.8(Wo)108 602.4 S 1.313 -(rd designators are used to select desired w).8 F 1.314(ords from the e) --.1 F -.15(ve)-.25 G 3.814(nt. A).15 F F2(:)3.814 E F0 1.314 -(separates the e)3.814 F -.15(ve)-.25 G 1.314(nt speci\214cation).15 F -.53(from the w)108 614.4 R .529(ord designator)-.1 F 5.529(.I)-.55 G -3.029(tm)-5.529 G .529(ay be omitted if the w)-3.029 F .529 +on in the history list starting with)144 477.6 R F3(string)144.34 489.6 +Q F0(.).22 E F2(!?)108 501.6 Q F3(string)A F2([?])A F0 1.503(Refer to t\ +he most recent command preceding the current position in the history li\ +st containing)144 513.6 R F3(string)144.34 525.6 Q F0 5.497(.T).22 G +.497(he trailing)-5.497 F F2(?)2.997 E F0 .497(may be omitted if)2.997 F +F3(string)3.337 E F0 .496(is follo)3.216 F .496(wed immediately by a ne) +-.25 F 2.996(wline. If)-.25 F F3(string)2.996 E F0(is)2.996 E .39(missi\ +ng, the string from the most recent search is used; it is an error if t\ +here is no pre)144 537.6 R .391(vious search)-.25 F(string.)144 549.6 Q +/F4 12/Times-Bold@0 SF(^)108 566.6 Q F3(string1)-5 I F4(^)5 I F3 +(string2)-5 I F4(^)5 I F0 2.599(Quick substitution.)144 573.6 R 2.598 +(Repeat the last command, replacing)7.599 F F3(string1)5.438 E F0(with) +5.098 E F3(string2)5.438 E F0 7.598(.E).02 G(qui)-7.598 E -.25(va)-.25 G +2.598(lent to).25 F -.74(``)144 585.6 S(!!:s).74 E/F5 12/Times-Roman@0 +SF(^)5 I F3(string1)-5 I F5(^)5 I F3(string2)-5 I F5(^)5 I F0 1.48 -.74 +('' \()-5 L(see).74 E F2(Modi\214ers)2.5 E F0(belo)2.5 E(w\).)-.25 E F2 +(!#)108 597.6 Q F0(The entire command line typed so f)144 597.6 Q(ar)-.1 +E(.)-.55 E F2 -.75(Wo)87 614.4 S(rd Designators).75 E F0 -.8(Wo)108 +626.4 S 1.313(rd designators are used to select desired w).8 F 1.314 +(ords from the e)-.1 F -.15(ve)-.25 G 3.814(nt. A).15 F F2(:)3.814 E F0 +1.314(separates the e)3.814 F -.15(ve)-.25 G 1.314(nt speci\214cation) +.15 F .53(from the w)108 638.4 R .529(ord designator)-.1 F 5.529(.I)-.55 +G 3.029(tm)-5.529 G .529(ay be omitted if the w)-3.029 F .529 (ord designator be)-.1 F .529(gins with a)-.15 F F2(^)3.029 E F0(,)A F2 ($)3.029 E F0(,)A F2(*)3.029 E F0(,)A F2<ad>3.029 E F0 3.029(,o)C(r) --3.029 E F2(%)3.029 E F0 5.529(.W)C(ords)-6.329 E 1.3 -(are numbered from the be)108 626.4 R 1.3 -(ginning of the line, with the \214rst w)-.15 F 1.301 -(ord being denoted by 0 \(zero\).)-.1 F -.8(Wo)6.301 G 1.301(rds are).8 -F(inserted into the current line separated by single spaces.)108 638.4 Q -F2 2.5(0\()108 655.2 S(zer)-2.5 E(o\))-.18 E F0(The zeroth w)144 667.2 Q -2.5(ord. F)-.1 F(or the shell, this is the command w)-.15 E(ord.)-.1 E -F3(n)108.36 679.2 Q F0(The)144 679.2 Q F3(n)2.5 E F0(th w)A(ord.)-.1 E -F2(^)108 691.2 Q F0(The \214rst ar)144 691.2 Q 2.5(gument. That)-.18 F -(is, w)2.5 E(ord 1.)-.1 E F2($)108 703.2 Q F0 .064(The last w)144 703.2 -R 2.564(ord. This)-.1 F .064(is usually the last ar)2.564 F .064 -(gument, b)-.18 F .064(ut will e)-.2 F .064(xpand to the zeroth w)-.15 F -.063(ord if there is only)-.1 F(one w)144 715.2 Q(ord in the line.)-.1 E -(GNU History 6.3)72 768 Q(2017 October 8)133.735 E(1)197.895 E 0 Cg EP +-3.029 E F2(%)3.029 E F0 5.529(.W)C(ords)-6.329 E .515 +(are numbered from the be)108 650.4 R .516 +(ginning of the line, with the \214rst w)-.15 F .516 +(ord being denoted by 0 \(zero\).)-.1 F -.8(Wo)5.516 G .516(rds are in-) +.8 F(serted into the current line separated by single spaces.)108 662.4 +Q F2 2.5(0\()108 679.2 S(zer)-2.5 E(o\))-.18 E F0(The zeroth w)144 691.2 +Q 2.5(ord. F)-.1 F(or the shell, this is the command w)-.15 E(ord.)-.1 E +F3(n)108.36 703.2 Q F0(The)144 703.2 Q F3(n)2.5 E F0(th w)A(ord.)-.1 E +F2(^)108 715.2 Q F0(The \214rst ar)144 715.2 Q 2.5(gument. That)-.18 F +(is, w)2.5 E(ord 1.)-.1 E(GNU History 8.1)72 768 Q(2020 July 17)139.005 +E(1)203.165 E 0 Cg EP %%Page: 2 2 %%BeginPageSetup BP %%EndPageSetup /F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 124.845(Y\(3\) Library) -.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E/F1 -10/Times-Bold@0 SF(%)108 84 Q F0(The w)144 84 Q -(ord matched by the most recent `?)-.1 E/F2 10/Times-Italic@0 SF(string) -A F0(?' search.)A F2(x)108.77 96 Q F1<ad>A F2(y)A F0 2.5(Ar)144 96 S -(ange of w)-2.5 E(ords; `\255)-.1 E F2(y)A F0 2.5('a)C(bbre)-2.5 E -(viates `0\255)-.25 E F2(y)A F0('.)A F1(*)108 108 Q F0 .315 -(All of the w)144 108 R .315(ords b)-.1 F .315(ut the zeroth.)-.2 F .315 -(This is a synon)5.315 F .315(ym for `)-.15 F F2(1\255$)A F0 2.815 -('. It)B .315(is not an error to use)2.815 F F1(*)2.816 E F0 .316 -(if there is)2.816 F(just one w)144 120 Q(ord in the e)-.1 E -.15(ve) --.25 G(nt; the empty string is returned in that case.).15 E F1(x*)108 -132 Q F0(Abbre)144 132 Q(viates)-.25 E F2(x\255$)2.5 E F0(.)A F1<78ad> -108 144 Q F0(Abbre)144 144 Q(viates)-.25 E F2(x\255$)2.5 E F0(lik)2.5 E -(e)-.1 E F1(x*)2.5 E F0 2.5(,b)C(ut omits the last w)-2.7 E(ord.)-.1 E -(If a w)108 160.8 Q(ord designator is supplied without an e)-.1 E -.15 +10/Times-Bold@0 SF($)108 84 Q F0 .064(The last w)144 84 R 2.564 +(ord. This)-.1 F .064(is usually the last ar)2.564 F .064(gument, b)-.18 +F .064(ut will e)-.2 F .064(xpand to the zeroth w)-.15 F .063 +(ord if there is only)-.1 F(one w)144 96 Q(ord in the line.)-.1 E F1(%) +108 108 Q F0 1.419(The \214rst w)144 108 R 1.419 +(ord matched by the most recent `?)-.1 F/F2 10/Times-Italic@0 SF(string) +A F0 1.42(?' search, if the search string be)B 1.42(gins with a)-.15 F +(character that is part of a w)144 120 Q(ord.)-.1 E F2(x)108.77 132 Q F1 +<ad>A F2(y)A F0 2.5(Ar)144 132 S(ange of w)-2.5 E(ords; `\255)-.1 E F2 +(y)A F0 2.5('a)C(bbre)-2.5 E(viates `0\255)-.25 E F2(y)A F0('.)A F1(*) +108 144 Q F0 .316(All of the w)144 144 R .316(ords b)-.1 F .316 +(ut the zeroth.)-.2 F .315(This is a synon)5.315 F .315(ym for `)-.15 F +F2(1\255$)A F0 2.815('. It)B .315(is not an error to use)2.815 F F1(*) +2.815 E F0 .315(if there is)2.815 F(just one w)144 156 Q(ord in the e) +-.1 E -.15(ve)-.25 G(nt; the empty string is returned in that case.).15 +E F1(x*)108 168 Q F0(Abbre)144 168 Q(viates)-.25 E F2(x\255$)2.5 E F0(.) +A F1<78ad>108 180 Q F0(Abbre)144 180 Q(viates)-.25 E F2(x\255$)2.5 E F0 +(lik)2.5 E(e)-.1 E F1(x*)2.5 E F0 2.5(,b)C(ut omits the last w)-2.7 E +2.5(ord. If)-.1 F F1(x)2.5 E F0(is missing, it def)2.5 E(aults to 0.)-.1 +E(If a w)108 196.8 Q(ord designator is supplied without an e)-.1 E -.15 (ve)-.25 G(nt speci\214cation, the pre).15 E (vious command is used as the e)-.25 E -.15(ve)-.25 G(nt.).15 E F1 -(Modi\214ers)87 177.6 Q F0 .184(After the optional w)108 189.6 R .184 -(ord designator)-.1 F 2.684(,t)-.4 G .183 -(here may appear a sequence of one or more of the follo)-2.684 F .183 -(wing modi\214ers,)-.25 F(each preceded by a `:'.)108 201.6 Q F1(h)108 -218.4 Q F0(Remo)144 218.4 Q .3 -.15(ve a t)-.15 H +(Modi\214ers)87 213.6 Q F0 .183(After the optional w)108 225.6 R .183 +(ord designator)-.1 F 2.683(,t)-.4 G .184 +(here may appear a sequence of one or more of the follo)-2.683 F .184 +(wing modi\214ers,)-.25 F(each preceded by a `:'.)108 237.6 Q +(These modify)5 E 2.5(,o)-.65 G 2.5(re)-2.5 G(dit, the w)-2.5 E +(ord or w)-.1 E(ords selected from the history e)-.1 E -.15(ve)-.25 G +(nt.).15 E F1(h)108 254.4 Q F0(Remo)144 254.4 Q .3 -.15(ve a t)-.15 H (railing \214le name component, lea).15 E(ving only the head.)-.2 E F1 -(t)108 230.4 Q F0(Remo)144 230.4 Q .3 -.15(ve a)-.15 H +(t)108 266.4 Q F0(Remo)144 266.4 Q .3 -.15(ve a)-.15 H (ll leading \214le name components, lea).15 E(ving the tail.)-.2 E F1(r) -108 242.4 Q F0(Remo)144 242.4 Q .3 -.15(ve a t)-.15 H(railing suf).15 E +108 278.4 Q F0(Remo)144 278.4 Q .3 -.15(ve a t)-.15 H(railing suf).15 E (\214x of the form)-.25 E F2(.xxx)2.5 E F0 2.5(,l)C(ea)-2.5 E -(ving the basename.)-.2 E F1(e)108 254.4 Q F0(Remo)144 254.4 Q .3 -.15 +(ving the basename.)-.2 E F1(e)108 290.4 Q F0(Remo)144 290.4 Q .3 -.15 (ve a)-.15 H(ll b).15 E(ut the trailing suf)-.2 E(\214x.)-.25 E F1(p)108 -266.4 Q F0(Print the ne)144 266.4 Q 2.5(wc)-.25 G(ommand b)-2.5 E -(ut do not e)-.2 E -.15(xe)-.15 G(cute it.).15 E F1(q)108 278.4 Q F0 -(Quote the substituted w)144 278.4 Q -(ords, escaping further substitutions.)-.1 E F1(x)108 290.4 Q F0 -(Quote the substituted w)144 290.4 Q(ords as with)-.1 E F1(q)2.5 E F0 -2.5(,b)C(ut break into w)-2.7 E(ords at)-.1 E F1(blanks)2.5 E F0(and ne) -2.5 E(wlines.)-.25 E F1(s/)108 302.4 Q F2(old)A F1(/)A F2(ne)A(w)-.15 E -F1(/)A F0(Substitute)144 314.4 Q F2(ne)3.081 E(w)-.15 E F0 .221 -(for the \214rst occurrence of)3.031 F F2(old)2.951 E F0 .221(in the e) -3.491 F -.15(ve)-.25 G .221(nt line.).15 F(An)5.221 E 2.721(yd)-.15 G -.221(elimiter can be used in place)-2.721 F .617(of /.)144 326.4 R .617 +302.4 Q F0(Print the ne)144 302.4 Q 2.5(wc)-.25 G(ommand b)-2.5 E +(ut do not e)-.2 E -.15(xe)-.15 G(cute it.).15 E F1(q)108 314.4 Q F0 +(Quote the substituted w)144 314.4 Q +(ords, escaping further substitutions.)-.1 E F1(x)108 326.4 Q F0 .386 +(Quote the substituted w)144 326.4 R .386(ords as with)-.1 F F1(q)2.886 +E F0 2.886(,b)C .386(ut break into w)-3.086 F .385(ords at)-.1 F F1 +(blanks)2.885 E F0 .385(and ne)2.885 F 2.885(wlines. The)-.25 F F1(q) +2.885 E F0(and)2.885 E F1(x)2.885 E F0(modi\214ers are mutually e)144 +338.4 Q(xclusi)-.15 E -.15(ve)-.25 G 2.5(;t).15 G +(he last one supplied is used.)-2.5 E F1(s/)108 350.4 Q F2(old)A F1(/)A +F2(ne)A(w)-.15 E F1(/)A F0(Substitute)144 362.4 Q F2(ne)3.328 E(w)-.15 E +F0 .469(for the \214rst occurrence of)3.278 F F2(old)3.199 E F0 .469 +(in the e)3.739 F -.15(ve)-.25 G .469(nt line.).15 F(An)5.469 E 2.969 +(yc)-.15 G .469(haracter may be used as the)-2.969 F .954 +(delimiter in place of /.)144 374.4 R .953 (The \214nal delimiter is optional if it is the last character of the e) -5.617 F -.15(ve)-.25 G .617(nt line.).15 F .616(The delimiter may)5.616 -F .666(be quoted in)144 338.4 R F2(old)3.396 E F0(and)3.936 E F2(ne) -3.526 E(w)-.15 E F0 .666(with a single backslash.)3.476 F .666 -(If & appears in)5.666 F F2(ne)3.166 E(w)-.15 E F0 3.166(,i).31 G 3.166 -(ti)-3.166 G 3.166(sr)-3.166 G .666(eplaced by)-3.166 F F2(old)3.166 E -F0 5.666(.A).77 G .275(single backslash will quote the &.)144 350.4 R -(If)5.275 E F2(old)3.004 E F0 .274(is null, it is set to the last)3.544 -F F2(old)3.004 E F0 .274(substituted, or)3.544 F 2.774(,i)-.4 G 2.774 -(fn)-2.774 G 2.774(op)-2.774 G(re)-2.774 E(vi-)-.25 E -(ous history substitutions took place, the last)144 362.4 Q F2(string) -2.84 E F0(in a)2.72 E F1(!?)2.5 E F2(string)A F1([?])A F0(search.)5 E F1 -(&)108 374.4 Q F0(Repeat the pre)144 374.4 Q(vious substitution.)-.25 E -F1(g)108 386.4 Q F0 .397(Cause changes to be applied o)144 386.4 R -.15 -(ve)-.15 G 2.897(rt).15 G .398(he entire e)-2.897 F -.15(ve)-.25 G .398 -(nt line.).15 F .398(This is used in conjunction with `)5.398 F F1(:s)A -F0 2.898('\()C(e.g.,)-2.898 E(`)144 398.4 Q F1(:gs/)A F2(old)A F1(/)A F2 -(ne)A(w)-.15 E F1(/)A F0 1.219('\) or `)B F1(:&)A F0 3.719('. If)B 1.219 -(used with `)3.719 F F1(:s)A F0 1.218(', an)B 3.718(yd)-.15 G 1.218 -(elimiter can be used in place of /, and the \214nal)-3.718 F .089 -(delimiter is optional if it is the last character of the e)144 410.4 R --.15(ve)-.25 G .09(nt line.).15 F(An)5.09 E F1(a)2.59 E F0 .09 -(may be used as a synon)2.59 F .09(ym for)-.15 F F1(g)144 422.4 Q F0(.)A -F1(G)108 434.4 Q F0(Apply the follo)144 434.4 Q(wing `)-.25 E F1(s)A F0 -2.5('m)C(odi\214er once to each w)-2.5 E(ord in the e)-.1 E -.15(ve)-.25 -G(nt line.).15 E/F3 10.95/Times-Bold@0 SF(PR)72 451.2 Q -(OGRAMMING WITH HIST)-.329 E(OR)-.197 E 2.738(YF)-.383 G(UNCTIONS)-2.738 -E F0(This section describes ho)108 463.2 Q 2.5(wt)-.25 G 2.5(ou)-2.5 G -(se the History library in other programs.)-2.5 E F1(Intr)87 480 Q -(oduction to History)-.18 E F0 .797 -(The programmer using the History library has a)108 492 R -.25(va)-.2 G -.796(ilable functions for remembering lines on a history list,).25 F -.307(associating arbitrary data with a line, remo)108 504 R .308 +5.953 F -.15(ve)-.25 G .953(nt line.).15 F .131 +(The delimiter may be quoted in)144 386.4 R F2(old)2.861 E F0(and)3.401 +E F2(ne)2.991 E(w)-.15 E F0 .131(with a single backslash.)2.941 F .131 +(If & appears in)5.131 F F2(ne)2.991 E(w)-.15 E F0 2.631(,i).31 G 2.631 +(ti)-2.631 G 2.631(sr)-2.631 G(e-)-2.631 E .62(placed by)144 398.4 R F2 +(old)3.349 E F0 5.619(.A).77 G .619(single backslash will quote the &.) +-2.5 F(If)5.619 E F2(old)3.349 E F0 .619(is null, it is set to the last) +3.889 F F2(old)3.349 E F0(substi-)3.889 E .486(tuted, or)144 410.4 R +2.986(,i)-.4 G 2.986(fn)-2.986 G 2.986(op)-2.986 G(re)-2.986 E .486 +(vious history substitutions took place, the last)-.25 F F2(string)3.326 +E F0 .487(in a)3.206 F F1(!?)2.987 E F2(string)A F1([?])A F0 2.987 +(search. If)5.487 F F2(ne)144.36 422.4 Q(w)-.15 E F0 +(is null, each matching)2.81 E F2(old)2.73 E F0(is deleted.)3.27 E F1(&) +108 434.4 Q F0(Repeat the pre)144 434.4 Q(vious substitution.)-.25 E F1 +(g)108 446.4 Q F0 .398(Cause changes to be applied o)144 446.4 R -.15 +(ve)-.15 G 2.898(rt).15 G .398(he entire e)-2.898 F -.15(ve)-.25 G .398 +(nt line.).15 F .397(This is used in conjunction with `)5.398 F F1(:s)A +F0 2.897('\()C(e.g.,)-2.897 E(`)144 458.4 Q F1(:gs/)A F2(old)A F1(/)A F2 +(ne)A(w)-.15 E F1(/)A F0 .35('\) or `)B F1(:&)A F0 2.85('. If)B .35 +(used with `)2.85 F F1(:s)A F0 .35(', an)B 2.85(yd)-.15 G .351 +(elimiter can be used in place of /, and the \214nal de-)-2.85 F +(limiter is optional if it is the last character of the e)144 470.4 Q +-.15(ve)-.25 G(nt line.).15 E(An)5 E F1(a)2.5 E F0 +(may be used as a synon)2.5 E(ym for)-.15 E F1(g)2.5 E F0(.)A F1(G)108 +482.4 Q F0(Apply the follo)144 482.4 Q(wing `)-.25 E F1(s)A F0 2.5('o)C +2.5(r`)-2.5 G F1(&)-2.5 E F0 2.5('m)C(odi\214er once to each w)-2.5 E +(ord in the e)-.1 E -.15(ve)-.25 G(nt line.).15 E/F3 10.95/Times-Bold@0 +SF(PR)72 499.2 Q(OGRAMMING WITH HIST)-.329 E(OR)-.197 E 2.738(YF)-.383 G +(UNCTIONS)-2.738 E F0(This section describes ho)108 511.2 Q 2.5(wt)-.25 +G 2.5(ou)-2.5 G(se the History library in other programs.)-2.5 E F1 +(Intr)87 528 Q(oduction to History)-.18 E F0 2.883(Ap)108 540 S .383 +(rogrammer using the History library has a)-2.883 F -.25(va)-.2 G .382 +(ilable functions for remembering lines on a history list, as-).25 F .77 +(sociating arbitrary data with a line, remo)108 552 R .771 (ving lines from the list, searching through the list for a line con-) --.15 F .303(taining an arbitrary te)108 516 R .303 +-.15 F .303(taining an arbitrary te)108 564 R .303 (xt string, and referencing an)-.15 F 2.803(yl)-.15 G .303 (ine in the list directly)-2.803 F 5.303(.I)-.65 G 2.803(na)-5.303 G .303(ddition, a history)-2.803 F F2 -.2(ex)2.802 G(pansion).2 E F0 -(function is a)108 528 Q -.25(va)-.2 G(ilable which pro).25 E +(function is a)108 576 Q -.25(va)-.2 G(ilable which pro).25 E (vides for a consistent user interf)-.15 E(ace across dif)-.1 E (ferent programs.)-.25 E .059(The user using programs written with the \ -History library has the bene\214t of a consistent user interf)108 544.8 -R .059(ace with a)-.1 F .918(set of well-kno)108 556.8 R .917 +History library has the bene\214t of a consistent user interf)108 592.8 +R .059(ace with a)-.1 F .918(set of well-kno)108 604.8 R .917 (wn commands for manipulating the te)-.25 F .917(xt of pre)-.15 F .917 (vious lines and using that te)-.25 F .917(xt in ne)-.15 F 3.417(wc)-.25 -G(om-)-3.417 E 4.183(mands. The)108 568.8 R 1.684(basic history manipul\ +G(om-)-3.417 E 4.183(mands. The)108 616.8 R 1.684(basic history manipul\ ation commands are identical to the history substitution pro)4.183 F -1.684(vided by)-.15 F F1(bash)108 580.8 Q F0(.)A .904 -(If the programmer desires, he can use the Readline library)108 597.6 R -3.403(,w)-.65 G .903(hich includes some history manipulation by)-3.403 F -(def)108 609.6 Q(ault, and has the added adv)-.1 E +1.684(vided by)-.15 F F1(bash)108 628.8 Q F0(.)A .915 +(The programmer can also use the Readline library)108 645.6 R 3.415(,w) +-.65 G .915(hich includes some history manipulation by def)-3.415 F +(ault,)-.1 E(and has the added adv)108 657.6 Q (antage of command line editing.)-.25 E .39(Before declaring an)108 -626.4 R 2.89(yf)-.15 G .39(unctions using an)-2.89 F 2.89(yf)-.15 G .39 +674.4 R 2.89(yf)-.15 G .39(unctions using an)-2.89 F 2.89(yf)-.15 G .39 (unctionality the History library pro)-2.89 F .39 (vides in other code, an appli-)-.15 F .067 -(cation writer should include the \214le)108 638.4 R F2(<r)4.233 E +(cation writer should include the \214le)108 686.4 R F2(<r)4.233 E (eadline/history)-.37 E(.h>)-.55 E F0 .067(in an)4.233 F 2.566<798c>-.15 G .066(le that uses the History library')-2.566 F 2.566(sf)-.55 G -(eatures.)-2.566 E .538(It supplies e)108 650.4 R .538 +(eatures.)-2.566 E .538(It supplies e)108 698.4 R .538 (xtern declarations for all of the library')-.15 F 3.038(sp)-.55 G .538 (ublic functions and v)-3.038 F .539(ariables, and declares all of the) --.25 F(public data structures.)108 662.4 Q F1(History Storage)87 691.2 Q -F0(The history list is an array of history entries.)108 703.2 Q 2.5(Ah)5 -G(istory entry is declared as follo)-2.5 E(ws:)-.25 E F2(typedef void *) -108 720 Q F1(histdata_t;)2.5 E F0(GNU History 6.3)72 768 Q -(2017 October 8)133.735 E(2)197.895 E 0 Cg EP +-.25 F(public data structures.)108 710.4 Q(GNU History 8.1)72 768 Q +(2020 July 17)139.005 E(2)203.165 E 0 Cg EP %%Page: 3 3 %%BeginPageSetup BP %%EndPageSetup /F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 124.845(Y\(3\) Library) --.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E -(typedef struct _hist_entry {)108 84 Q(char *line;)113 96 Q -(char *timestamp;)113 108 Q(histdata_t data;)113 120 Q 2.5(}H)108 132 S -(IST_ENTR)-2.5 E -.92(Y;)-.65 G -(The history list itself might therefore be declared as)108 148.8 Q/F1 -10/Times-Italic@0 SF(HIST_ENTR)108 165.6 Q 2.5(Y*)-.18 G(*)-2.5 E/F2 10 -/Times-Bold@0 SF(the_history_list;)2.5 E F0(The state of the History li\ -brary is encapsulated into a single structure:)108 182.4 Q(/*)108 199.2 -Q 2.5(*As)110.5 211.2 S +-.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E/F1 +10/Times-Bold@0 SF(History Storage)87 84 Q F0 +(The history list is an array of history entries.)108 96 Q 2.5(Ah)5 G +(istory entry is declared as follo)-2.5 E(ws:)-.25 E/F2 10 +/Times-Italic@0 SF(typedef void *)108 112.8 Q F1(histdata_t;)2.5 E F0 +(typedef struct _hist_entry {)108 129.6 Q(char *line;)113 141.6 Q +(char *timestamp;)113 153.6 Q(histdata_t data;)113 165.6 Q 2.5(}H)108 +177.6 S(IST_ENTR)-2.5 E -.92(Y;)-.65 G +(The history list itself might therefore be declared as)108 194.4 Q F2 +(HIST_ENTR)108 211.2 Q 2.5(Y*)-.18 G(*)-2.5 E F1(the_history_list;)2.5 E +F0(The state of the History library is encapsulated into a single struc\ +ture:)108 228 Q(/*)108 244.8 Q 2.5(*As)110.5 256.8 S (tructure used to pass around the current state of the history)-2.5 E(.) --.65 E(*/)110.5 223.2 Q(typedef struct _hist_state {)108 235.2 Q -(HIST_ENTR)113 247.2 Q 2.5(Y*)-.65 G +-.65 E(*/)110.5 268.8 Q(typedef struct _hist_state {)108 280.8 Q +(HIST_ENTR)113 292.8 Q 2.5(Y*)-.65 G (*entries; /* Pointer to the entries themselv)-2.5 E(es. */)-.15 E -(int of)113 259.2 Q 25(fset; /*)-.25 F +(int of)113 304.8 Q 25(fset; /*)-.25 F (The location pointer within this array)2.5 E 2.5(.*)-.65 G(/)-2.5 E -(int length;)113 271.2 Q(/* Number of elements within this array)27.5 E -2.5(.*)-.65 G(/)-2.5 E(int size;)113 283.2 Q +(int length;)113 316.8 Q(/* Number of elements within this array)27.5 E +2.5(.*)-.65 G(/)-2.5 E(int size;)113 328.8 Q (/* Number of slots allocated to this array)32.5 E 2.5(.*)-.65 G(/)-2.5 -E(int \215ags;)113 295.2 Q 2.5(}H)108 307.2 S(IST)-2.5 E(OR)-.18 E(Y_ST) --.65 E -1.11(AT)-.93 G(E;)1.11 E(If the \215ags member includes)108 324 -Q F2(HS_STIFLED)2.5 E F0 2.5(,t)C(he history has been sti\215ed.)-2.5 E -/F3 10.95/Times-Bold@0 SF(History Functions)72 340.8 Q F0 -(This section describes the calling sequence for the v)108 352.8 Q +E(int \215ags;)113 340.8 Q 2.5(}H)108 352.8 S(IST)-2.5 E(OR)-.18 E(Y_ST) +-.65 E -1.11(AT)-.93 G(E;)1.11 E(If the \215ags member includes)108 +369.6 Q F1(HS_STIFLED)2.5 E F0 2.5(,t)C(he history has been sti\215ed.) +-2.5 E/F3 10.95/Times-Bold@0 SF(History Functions)72 386.4 Q F0 +(This section describes the calling sequence for the v)108 398.4 Q (arious functions e)-.25 E(xported by the GNU History library)-.15 E(.) --.65 E F2(Initializing History and State Management)87 369.6 Q F0 1.274 +-.65 E F1(Initializing History and State Management)87 415.2 Q F0 1.274 (This section describes functions used to initialize and manage the sta\ -te of the History library when you)108 381.6 R -.1(wa)108 393.6 S -(nt to use the history functions in your program.).1 E F1(void)108 417.6 -Q F2(using_history)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E(Be)108 -429.6 Q(gin a session in which the history functions might be used.)-.15 +te of the History library when you)108 427.2 R -.1(wa)108 439.2 S +(nt to use the history functions in your program.).1 E F2(void)108 463.2 +Q F1(using_history)2.5 E F0(\()4.166 E F2(void)A F0(\))1.666 E(Be)108 +475.2 Q(gin a session in which the history functions might be used.)-.15 E(This initializes the interacti)5 E .3 -.15(ve v)-.25 H(ariables.)-.1 E -F1(HIST)108 453.6 Q(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5(E*).37 G F2 -(history_get_history_state)A F0(\()4.166 E F1(void)A F0(\))1.666 E +F2(HIST)108 499.2 Q(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5(E*).37 G F1 +(history_get_history_state)A F0(\()4.166 E F2(void)A F0(\))1.666 E (Return a structure describing the current state of the input history) -108 465.6 Q(.)-.65 E F1(void)108 489.6 Q F2(history_set_history_state) -2.5 E F0(\()4.166 E F1(HIST)A(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5 +108 511.2 Q(.)-.65 E F2(void)108 535.2 Q F1(history_set_history_state) +2.5 E F0(\()4.166 E F2(HIST)A(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5 (E*).37 G(state)-2.5 E F0(\))1.666 E -(Set the state of the history list according to)108 501.6 Q F1(state)2.5 -E F0(.)A F2(History List Management)87 530.4 Q F0 -(These functions manage indi)108 542.4 Q(vidual entries on the history \ -list, or set parameters managing the list itself.)-.25 E F1(void)108 -566.4 Q F2(add_history)2.5 E F0(\()4.166 E F1(const c)A(har *string)-.15 -E F0(\))1.666 E(Place)108 578.4 Q F1(string)3.279 E F0 .779 +(Set the state of the history list according to)108 547.2 Q F2(state)2.5 +E F0(.)A F1(History List Management)87 576 Q F0 +(These functions manage indi)108 588 Q(vidual entries on the history li\ +st, or set parameters managing the list itself.)-.25 E F2(void)108 612 Q +F1(add_history)2.5 E F0(\()4.166 E F2(const c)A(har *string)-.15 E F0 +(\))1.666 E(Place)108 624 Q F2(string)3.279 E F0 .779 (at the end of the history list.)3.279 F .779 (The associated data \214eld \(if an)5.779 F .779(y\) is set to)-.15 F -F2(NULL)3.279 E F0 5.779(.I)C 3.279(ft)-5.779 G .78(he maxi-)-3.279 F -.787(mum number of history entries has been set using)108 590.4 R F2 +F1(NULL)3.279 E F0 5.779(.I)C 3.279(ft)-5.779 G .78(he maxi-)-3.279 F +.787(mum number of history entries has been set using)108 636 R F1 (sti\215e_history\(\))3.286 E F0 3.286(,a)C .786(nd the ne)-3.286 F -3.286(wn)-.25 G .786(umber of history entries)-3.286 F -.1(wo)108 602.4 -S(uld e).1 E(xceed that maximum, the oldest history entry is remo)-.15 E --.15(ve)-.15 G(d.).15 E F1(void)108 626.4 Q F2(add_history_time)2.5 E F0 -(\()4.166 E F1(const c)A(har *string)-.15 E F0(\))1.666 E +3.286(wn)-.25 G .786(umber of history entries)-3.286 F -.1(wo)108 648 S +(uld e).1 E(xceed that maximum, the oldest history entry is remo)-.15 E +-.15(ve)-.15 G(d.).15 E F2(void)108 672 Q F1(add_history_time)2.5 E F0 +(\()4.166 E F2(const c)A(har *string)-.15 E F0(\))1.666 E (Change the time stamp associated with the most recent history entry to) -108 638.4 Q F1(string)2.5 E F0(.)A F1(HIST_ENTR)108 662.4 Q 2.5(Y*)-.18 -G F2 -.18(re)C(mo).18 E -.1(ve)-.1 G(_history).1 E F0(\()4.166 E F1 -(int whic)A(h)-.15 E F0(\))1.666 E(Remo)108 674.4 Q .352 -.15(ve h)-.15 -H .052(istory entry at of).15 F(fset)-.25 E F1(whic)2.553 E(h)-.15 E F0 -.053(from the history)2.553 F 5.053(.T)-.65 G .053(he remo)-5.053 F -.15 -(ve)-.15 G 2.553(de).15 G .053(lement is returned so you can free the) --2.553 F(line, data, and containing structure.)108 686.4 Q F1 -(histdata_t)108 710.4 Q F2(fr)2.5 E(ee_history_entry)-.18 E F0(\()4.166 -E F1(HIST_ENTR)A 2.5(Y*)-.18 G(histent)-2.5 E 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-(application-speci\214c data so the caller can dispose of it.)108 84 Q -/F1 10/Times-Italic@0 SF(HIST_ENTR)108 108 Q 2.5(Y*)-.18 G/F2 10 -/Times-Bold@0 SF -.18(re)C(place_history_entry).18 E F0(\()4.166 E F1 -(int whic)A -.834(h, const)-.15 F -.15(ch)2.5 G(ar *line).15 E 1.666(,h) --.1 G(istdata_t data)-1.666 E F0(\))3.332 E(Mak)108 120 Q 3.062(et)-.1 G -.562(he history entry at of)-3.062 F(fset)-.25 E F1(whic)3.062 E(h)-.15 -E F0(ha)3.062 E -.15(ve)-.2 G F1(line)3.212 E F0(and)3.062 E F1(data) -3.062 E F0 5.563(.T)C .563 +(line, data, and containing structure.)108 84 Q/F1 10/Times-Italic@0 SF +(histdata_t)108 108 Q/F2 10/Times-Bold@0 SF(fr)2.5 E(ee_history_entry) +-.18 E F0(\()4.166 E F1(HIST_ENTR)A 2.5(Y*)-.18 G(histent)-2.5 E F0(\)) +1.666 E .934(Free the history entry)108 120 R F1(histent)3.433 E F0 .933 +(and an)3.433 F 3.433(yh)-.15 G .933(istory library pri)-3.433 F -.25 +(va)-.25 G .933(te data associated with it.).25 F .933 +(Returns the applica-)5.933 F +(tion-speci\214c data so the caller can dispose of it.)108 132 Q F1 +(HIST_ENTR)108 156 Q 2.5(Y*)-.18 G F2 -.18(re)C(place_history_entry).18 +E F0(\()4.166 E F1(int whic)A -.834(h, const)-.15 F -.15(ch)2.5 G +(ar *line).15 E 1.666(,h)-.1 G(istdata_t data)-1.666 E F0(\))3.332 E +(Mak)108 168 Q 3.062(et)-.1 G .562(he history entry at of)-3.062 F(fset) +-.25 E F1(whic)3.062 E(h)-.15 E F0(ha)3.062 E -.15(ve)-.2 G F1(line) +3.212 E F0(and)3.062 E F1(data)3.062 E F0 5.563(.T)C .563 (his returns the old entry so the caller can dis-)-5.563 F(pose of an) -108 132 Q 2.5(ya)-.15 G(pplication-speci\214c data.)-2.5 E +108 180 Q 2.5(ya)-.15 G(pplication-speci\214c data.)-2.5 E (In the case of an in)5 E -.25(va)-.4 G(lid).25 E F1(whic)2.5 E(h)-.15 E -F0 2.5(,a)C F2(NULL)A F0(pointer is returned.)2.5 E F1(void)108 156 Q F2 +F0 2.5(,a)C F2(NULL)A F0(pointer is returned.)2.5 E F1(void)108 204 Q F2 (clear_history)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E -(Clear the history list by deleting all the entries.)108 168 Q 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The)2.88 F .38 (history list will contain only)2.88 F F1(max)2.88 E F0(entries)2.88 E -(at a time.)108 216 Q F1(int)108 240 Q F2(unsti\215e_history)2.5 E F0 +(at a time.)108 264 Q F1(int)108 288 Q F2(unsti\215e_history)2.5 E F0 (\()4.166 E F1(void)A F0(\))1.666 E .46(Stop sti\215ing the history)108 -252 R 5.46(.T)-.65 G .46(his returns the pre)-5.46 F .46 +300 R 5.46(.T)-.65 G .46(his returns the pre)-5.46 F .46 (viously-set maximum number of history entries \(as set by)-.25 F F2 -(sti-)2.96 E(\215e_history\(\))108 264 Q F0 2.5(\). history)B -.1(wa)2.5 +(sti-)2.96 E(\215e_history\(\))108 312 Q F0 2.5(\). history)B -.1(wa)2.5 G 2.5(ss).1 G 2.5(ti\215ed. The)-2.5 F -.25(va)2.5 G(lue is positi).25 E .3 -.15(ve i)-.25 H 2.5(ft).15 G(he history w)-2.5 E(as sti\215ed, ne) -.1 E -.05(ga)-.15 G(ti).05 E .3 -.15(ve i)-.25 H 2.5(fi).15 G 2.5(tw) --2.5 G(asn')-2.6 E(t.)-.18 E F1(int)108 288 Q F2(history_is_sti\215ed) +-2.5 G(asn')-2.6 E(t.)-.18 E F1(int)108 336 Q F2(history_is_sti\215ed) 2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E (Returns non-zero if the history is sti\215ed, zero if it is not.)108 -300 Q F2(Inf)87 328.8 Q(ormation About the History List)-.25 E F0(These\ +348 Q F2(Inf)87 376.8 Q(ormation About the History List)-.25 E F0(These\ functions return information about the entire history list or indi)108 -340.8 Q(vidual list entries.)-.25 E F1(HIST_ENTR)108 364.8 Q 2.5(Y*)-.18 +388.8 Q(vidual list entries.)-.25 E F1(HIST_ENTR)108 412.8 Q 2.5(Y*)-.18 G(*)-2.5 E F2(history_list)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E -.708(Return a)108 376.8 R F2(NULL)3.208 E F0 .708(terminated array of) +.708(Return a)108 424.8 R F2(NULL)3.208 E F0 .708(terminated array of) 3.208 F F1(HIST_ENTR)3.208 E 3.208(Y*)-.18 G F0 .708 (which is the current input history)B 5.707(.E)-.65 G .707 -(lement 0 of this)-5.707 F(list is the be)108 388.8 Q(ginning of time.) +(lement 0 of this)-5.707 F(list is the be)108 436.8 Q(ginning of time.) -.15 E(If there is no history)5 E 2.5(,r)-.65 G(eturn)-2.5 E F2(NULL)2.5 -E F0(.)A F1(int)108 412.8 Q F2(wher)2.5 E(e_history)-.18 E F0(\()4.166 E -F1(void)A F0(\))1.666 E(Returns the of)108 424.8 Q -(fset of the current history element.)-.25 E F1(HIST_ENTR)108 448.8 Q +E F0(.)A F1(int)108 460.8 Q F2(wher)2.5 E(e_history)-.18 E F0(\()4.166 E +F1(void)A F0(\))1.666 E(Returns the of)108 472.8 Q +(fset of the current history element.)-.25 E F1(HIST_ENTR)108 496.8 Q 2.5(Y*)-.18 G F2(curr)A(ent_history)-.18 E F0(\()4.166 E F1(void)A F0 (\))1.666 E 1.373 (Return the history entry at the current position, as determined by)108 -460.8 R F2(wher)3.873 E(e_history\(\))-.18 E F0 6.373(.I)C 3.873(ft) --6.373 G 1.374(here is no entry)-3.873 F(there, return a)108 472.8 Q F2 -(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1(HIST_ENTR)108 496.8 Q 2.5(Y*) +508.8 R F2(wher)3.873 E(e_history\(\))-.18 E F0 6.373(.I)C 3.873(ft) +-6.373 G 1.374(here is no entry)-3.873 F(there, return a)108 520.8 Q F2 +(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1(HIST_ENTR)108 544.8 Q 2.5(Y*) -.18 G F2(history_get)A F0(\()4.166 E F1(int of)A(fset)-.18 E F0(\)) -1.666 E 1.069(Return the history entry at position)108 508.8 R F1(of) +1.666 E 1.069(Return the history entry at position)108 556.8 R F1(of) 3.569 E(fset)-.18 E F0 6.069(.T)C 1.069(he range of v)-6.069 F 1.069 (alid v)-.25 F 1.069(alues of)-.25 F F1(of)3.569 E(fset)-.18 E F0 1.068 (starts at)3.569 F F2(history_base)3.568 E F0(and)3.568 E .286(ends at) -108 520.8 R F2(history_length)2.786 E F0 2.786<ad31>2.786 G 5.286(.I) +108 568.8 R F2(history_length)2.786 E F0 2.786<ad31>2.786 G 5.286(.I) -2.786 G 2.786(ft)-5.286 G .286(here is no entry there, or if)-2.786 F F1(of)2.786 E(fset)-.18 E F0 .286(is outside the v)2.786 F .287 -(alid range, return a)-.25 F F2(NULL)2.787 E F0(pointer)108 532.8 Q(.) --.55 E F1(time_t)108 556.8 Q F2(history_get_time)2.5 E F0(\()4.166 E F1 +(alid range, return a)-.25 F F2(NULL)2.787 E F0(pointer)108 580.8 Q(.) +-.55 E F1(time_t)108 604.8 Q F2(history_get_time)2.5 E F0(\()4.166 E F1 (HIST_ENTR)A 2.5(Y*)-.18 G F0(\))-.834 E(Return the time stamp associat\ -ed with the history entry passed as the ar)108 568.8 Q(gument.)-.18 E F1 -(int)108 592.8 Q F2(history_total_bytes)2.5 E F0(\()4.166 E F1(void)A F0 +ed with the history entry passed as the ar)108 616.8 Q(gument.)-.18 E F1 +(int)108 640.8 Q F2(history_total_bytes)2.5 E F0(\()4.166 E F1(void)A F0 (\))1.666 E .392 (Return the number of bytes that the primary history entries are using.) -108 604.8 R .391(This function returns the sum of the)5.392 F -(lengths of all the lines in the history)108 616.8 Q(.)-.65 E F2(Mo)87 -645.6 Q(ving Ar)-.1 E(ound the History List)-.18 E F0 -(These functions allo)108 657.6 Q 2.5(wt)-.25 G(he current inde)-2.5 E +108 652.8 R .391(This function returns the sum of the)5.392 F +(lengths of all the lines in the history)108 664.8 Q(.)-.65 E F2(Mo)87 +693.6 Q(ving Ar)-.1 E(ound the History List)-.18 E F0 +(These functions allo)108 705.6 Q 2.5(wt)-.25 G(he current inde)-2.5 E 2.5(xi)-.15 G(nto the history list to be set or changed.)-2.5 E F1(int) -108 681.6 Q F2(history_set_pos)2.5 E F0(\()4.166 E F1(int pos)A F0(\)) -1.666 E .79(Set the current history of)108 693.6 R .79(fset to)-.25 F F1 -(pos)3.29 E F0 3.29(,a)C 3.29(na)-3.29 G .79(bsolute inde)-3.29 F 3.29 -(xi)-.15 G .79(nto the list.)-3.29 F .79(Returns 1 on success, 0 if)5.79 -F F1(pos)3.29 E F0 .79(is less)3.29 F -(than zero or greater than the number of history entries.)108 705.6 Q F1 -(HIST_ENTR)108 729.6 Q 2.5(Y*)-.18 G F2(pr)A -.15(ev)-.18 G -(ious_history).15 E F0(\()4.166 E F1(void)A F0(\))1.666 E -(GNU History 6.3)72 768 Q(2017 October 8)133.735 E(4)197.895 E 0 Cg EP +108 729.6 Q F2(history_set_pos)2.5 E F0(\()4.166 E F1(int pos)A F0(\)) +1.666 E(GNU History 8.1)72 768 Q(2020 July 17)139.005 E(4)203.165 E 0 Cg +EP %%Page: 5 5 %%BeginPageSetup BP %%EndPageSetup /F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 124.845(Y\(3\) Library) --.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E -.208(Back up the current history of)108 84 R .208(fset to the pre)-.25 F +-.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E .79 +(Set the current history of)108 84 R .79(fset to)-.25 F/F1 10 +/Times-Italic@0 SF(pos)3.29 E F0 3.29(,a)C 3.29(na)-3.29 G .79 +(bsolute inde)-3.29 F 3.29(xi)-.15 G .79(nto the list.)-3.29 F .79 +(Returns 1 on success, 0 if)5.79 F F1(pos)3.29 E F0 .79(is less)3.29 F +(than zero or greater than the number of history entries.)108 96 Q F1 +(HIST_ENTR)108 120 Q 2.5(Y*)-.18 G/F2 10/Times-Bold@0 SF(pr)A -.15(ev) +-.18 G(ious_history).15 E F0(\()4.166 E F1(void)A F0(\))1.666 E .208 +(Back up the current history of)108 132 R .208(fset to the pre)-.25 F .208(vious history entry)-.25 F 2.707(,a)-.65 G .207 (nd return a pointer to that entry)-2.707 F 5.207(.I)-.65 G 2.707(ft) --5.207 G .207(here is)-2.707 F(no pre)108 96 Q(vious entry)-.25 E 2.5 -(,r)-.65 G(eturn a)-2.5 E/F1 10/Times-Bold@0 SF(NULL)2.5 E F0(pointer) -2.5 E(.)-.55 E/F2 10/Times-Italic@0 SF(HIST_ENTR)108 120 Q 2.5(Y*)-.18 G -F1(next_history)A F0(\()4.166 E F2(void)A F0(\))1.666 E .332 -(If the current history of)108 132 R .333(fset refers to a v)-.25 F .333 -(alid history entry)-.25 F 2.833(,i)-.65 G .333 -(ncrement the current history of)-2.833 F 2.833(fset. If)-.25 F .333 -(the possi-)2.833 F .202(bly-incremented history of)108 144 R .202 +-5.207 G .207(here is)-2.707 F(no pre)108 144 Q(vious entry)-.25 E 2.5 +(,r)-.65 G(eturn a)-2.5 E F2(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1 +(HIST_ENTR)108 168 Q 2.5(Y*)-.18 G F2(next_history)A F0(\()4.166 E F1 +(void)A F0(\))1.666 E .332(If the current history of)108 180 R .333 +(fset refers to a v)-.25 F .333(alid history entry)-.25 F 2.833(,i)-.65 +G .333(ncrement the current history of)-2.833 F 2.833(fset. If)-.25 F +.333(the possi-)2.833 F .202(bly-incremented history of)108 192 R .202 (fset refers to a v)-.25 F .202(alid history entry)-.25 F 2.702(,r)-.65 G .202(eturn a pointer to that entry; otherwise, return)-2.702 F(a)108 -156 Q F1(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1(Sear)87 184.8 Q -(ching the History List)-.18 E F0 .005(These functions allo)108 196.8 R +204 Q F2(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F2(Sear)87 232.8 Q +(ching the History List)-.18 E F0 .005(These functions allo)108 244.8 R 2.505(ws)-.25 G .006(earching of the history list for entries containin\ g a speci\214c string.)-2.505 F .006(Searching may be)5.006 F 1.452 -(performed both forw)108 208.8 R 1.452(ard and backw)-.1 F 1.451 +(performed both forw)108 256.8 R 1.452(ard and backw)-.1 F 1.451 (ard from the current history position.)-.1 F 1.451(The search may be) -6.451 F F2(anc)3.951 E(hor)-.15 E(ed)-.37 E F0(,)A -(meaning that the string must match at the be)108 220.8 Q -(ginning of the history entry)-.15 E(.)-.65 E F2(int)108 244.8 Q F1 -(history_sear)2.5 E(ch)-.18 E F0(\()4.166 E F2(const c)A(har *string) +6.451 F F1(anc)3.951 E(hor)-.15 E(ed)-.37 E F0(,)A +(meaning that the string must match at the be)108 268.8 Q +(ginning of the history entry)-.15 E(.)-.65 E F1(int)108 292.8 Q F2 +(history_sear)2.5 E(ch)-.18 E F0(\()4.166 E F1(const c)A(har *string) -.15 E 1.666(,i)-.1 G(nt dir)-1.666 E(ection)-.37 E F0(\))1.666 E .155 -(Search the history for)108 256.8 R F2(string)2.655 E F0 2.656(,s)C .156 -(tarting at the current history of)-2.656 F 2.656(fset. If)-.25 F F2 +(Search the history for)108 304.8 R F1(string)2.655 E F0 2.656(,s)C .156 +(tarting at the current history of)-2.656 F 2.656(fset. If)-.25 F F1 (dir)2.656 E(ection)-.37 E F0 .156(is less than 0, then the search)2.656 -F .802(is through pre)108 268.8 R .802 +F .802(is through pre)108 316.8 R .802 (vious entries, otherwise through subsequent entries.)-.25 F(If)5.801 E -F2(string)3.301 E F0 .801(is found, then the current his-)3.301 F .064 -(tory inde)108 280.8 R 2.564(xi)-.15 G 2.564(ss)-2.564 G .064 +F1(string)3.301 E F0 .801(is found, then the current his-)3.301 F .064 +(tory inde)108 328.8 R 2.564(xi)-.15 G 2.564(ss)-2.564 G .064 (et to that history entry)-2.564 F 2.564(,a)-.65 G .064(nd the v)-2.564 F .064(alue returned is the of)-.25 F .064 -(fset in the line of the entry where)-.25 F F2(string)2.565 E F0 -.1(wa) -108 292.8 S 2.5(sf).1 G 2.5(ound. Otherwise,)-2.5 F -(nothing is changed, and a -1 is returned.)2.5 E F2(int)108 316.8 Q F1 -(history_sear)2.5 E(ch_pr)-.18 E(e\214x)-.18 E F0(\()4.166 E F2(const c) +(fset in the line of the entry where)-.25 F F1(string)2.565 E F0 -.1(wa) +108 340.8 S 2.5(sf).1 G 2.5(ound. Otherwise,)-2.5 F +(nothing is changed, and a -1 is returned.)2.5 E F1(int)108 364.8 Q F2 +(history_sear)2.5 E(ch_pr)-.18 E(e\214x)-.18 E F0(\()4.166 E F1(const c) A(har *string)-.15 E 1.666(,i)-.1 G(nt dir)-1.666 E(ection)-.37 E F0(\)) -1.666 E .684(Search the history for)108 328.8 R F2(string)3.183 E F0 +1.666 E .684(Search the history for)108 376.8 R F1(string)3.183 E F0 3.183(,s)C .683(tarting at the current history of)-3.183 F 3.183 (fset. The)-.25 F .683(search is anchored: matching lines)3.183 F 1.063 -(must be)108 340.8 R 1.063(gin with)-.15 F F2(string)3.563 E F0 6.063 -(.I)C(f)-6.063 E F2(dir)3.563 E(ection)-.37 E F0 1.064 +(must be)108 388.8 R 1.063(gin with)-.15 F F1(string)3.563 E F0 6.063 +(.I)C(f)-6.063 E F1(dir)3.563 E(ection)-.37 E F0 1.064 (is less than 0, then the search is through pre)3.563 F 1.064 -(vious entries, otherwise)-.25 F 1.115(through subsequent entries.)108 -352.8 R(If)6.115 E F2(string)3.615 E F0 1.115 -(is found, then the current history inde)3.615 F 3.614(xi)-.15 G 3.614 -(ss)-3.614 G 1.114(et to that entry)-3.614 F 3.614(,a)-.65 G 1.114 -(nd the)-3.614 F(return v)108 364.8 Q(alue is 0.)-.25 E -(Otherwise, nothing is changed, and a -1 is returned.)5 E F2(int)108 -388.8 Q F1(history_sear)2.5 E(ch_pos)-.18 E F0(\()4.166 E F2(const c)A +(vious entries, otherwise)-.25 F .34(through subsequent entries.)108 +400.8 R(If)5.34 E F1(string)2.84 E F0 .34 +(is found, then the current history inde)2.84 F 2.84(xi)-.15 G 2.84(ss) +-2.84 G .34(et to that entry)-2.84 F 2.84(,a)-.65 G .34(nd the re-)-2.84 +F(turn v)108 412.8 Q(alue is 0.)-.25 E +(Otherwise, nothing is changed, and a -1 is returned.)5 E F1(int)108 +436.8 Q F2(history_sear)2.5 E(ch_pos)-.18 E F0(\()4.166 E F1(const c)A (har *string)-.15 E 1.666(,i)-.1 G(nt dir)-1.666 E -.834(ection, int) --.37 F(pos)2.5 E F0(\))3.332 E .603(Search for)108 400.8 R F2(string) -3.103 E F0 .603(in the history list, starting at)3.103 F F2(pos)3.104 E +-.37 F(pos)2.5 E F0(\))3.332 E .603(Search for)108 448.8 R F1(string) +3.103 E F0 .603(in the history list, starting at)3.103 F F1(pos)3.104 E F0 3.104(,a)C 3.104(na)-3.104 G .604(bsolute inde)-3.104 F 3.104(xi)-.15 -G .604(nto the list.)-3.104 F(If)5.604 E F2(dir)3.104 E(ection)-.37 E F0 +G .604(nto the list.)-3.104 F(If)5.604 E F1(dir)3.104 E(ection)-.37 E F0 .604(is ne)3.104 F -.05(ga)-.15 G(ti).05 E -.15(ve)-.25 G(,).15 E .608 -(the search proceeds backw)108 412.8 R .608(ard from)-.1 F F2(pos)3.108 +(the search proceeds backw)108 460.8 R .608(ard from)-.1 F F1(pos)3.108 E F0 3.108(,o)C .608(therwise forw)-3.108 F 3.108(ard. Returns)-.1 F .608(the absolute inde)3.108 F 3.108(xo)-.15 G 3.108(ft)-3.108 G .608 -(he history ele-)-3.108 F(ment where)108 424.8 Q F2(string)2.5 E F0 -.1 -(wa)2.5 G 2.5(sf).1 G(ound, or -1 otherwise.)-2.5 E F1 -(Managing the History File)87 453.6 Q F0 .035(The History library can r\ -ead the history from and write it to a \214le.)108 465.6 R .036 +(he history ele-)-3.108 F(ment where)108 472.8 Q F1(string)2.5 E F0 -.1 +(wa)2.5 G 2.5(sf).1 G(ound, or -1 otherwise.)-2.5 E F2 +(Managing the History File)87 501.6 Q F0 .035(The History library can r\ +ead the history from and write it to a \214le.)108 513.6 R .036 (This section documents the functions for)5.035 F -(managing a history \214le.)108 477.6 Q F2(int)108 501.6 Q F1 -.18(re) -2.5 G(ad_history).18 E F0(\()4.166 E F2(const c)A(har *\214lename)-.15 E -F0(\))1.666 E .151(Add the contents of)108 513.6 R F2(\214lename)2.651 E -F0 .151(to the history list, a line at a time.)2.651 F(If)5.15 E F2 -(\214lename)2.65 E F0(is)2.65 E F1(NULL)2.65 E F0 2.65(,t)C .15 -(hen read from)-2.65 F F2(~/.his-)2.65 E(tory)108 525.6 Q F0 5(.R)C -(eturns 0 if successful, or)-5 E F1(err)2.5 E(no)-.15 E F0(if not.)2.5 E -F2(int)108 549.6 Q F1 -.18(re)2.5 G(ad_history_range).18 E F0(\()4.166 E -F2(const c)A(har *\214lename)-.15 E 1.666(,i)-.1 G(nt fr)-1.666 E -.834 +(managing a history \214le.)108 525.6 Q F1(int)108 549.6 Q F2 -.18(re) +2.5 G(ad_history).18 E F0(\()4.166 E F1(const c)A(har *\214lename)-.15 E +F0(\))1.666 E .151(Add the contents of)108 561.6 R F1(\214lename)2.651 E +F0 .151(to the history list, a line at a time.)2.651 F(If)5.15 E F1 +(\214lename)2.65 E F0(is)2.65 E F2(NULL)2.65 E F0 2.65(,t)C .15 +(hen read from)-2.65 F F1(~/.his-)2.65 E(tory)108 573.6 Q F0 5(.R)C +(eturns 0 if successful, or)-5 E F2(err)2.5 E(no)-.15 E F0(if not.)2.5 E +F1(int)108 597.6 Q F2 -.18(re)2.5 G(ad_history_range).18 E F0(\()4.166 E +F1(const c)A(har *\214lename)-.15 E 1.666(,i)-.1 G(nt fr)-1.666 E -.834 (om, int)-.45 F(to)2.5 E F0(\))3.332 E .052(Read a range of lines from) -108 561.6 R F2(\214lename)2.553 E F0 2.553(,a)C .053 +108 609.6 R F1(\214lename)2.553 E F0 2.553(,a)C .053 (dding them to the history list.)-2.553 F .053(Start reading at line) -5.053 F F2(fr)2.553 E(om)-.45 E F0 .053(and end at)2.553 F F2(to)2.553 E -F0(.)A(If)108 573.6 Q F2(fr)2.889 E(om)-.45 E F0 .389 -(is zero, start at the be)2.889 F 2.889(ginning. If)-.15 F F2(to)2.889 E -F0 .389(is less than)2.889 F F2(fr)2.889 E(om)-.45 E F0 2.889(,t)C .388 -(hen read until the end of the \214le.)-2.889 F(If)5.388 E F2 -(\214lename)2.888 E F0(is)108 585.6 Q F1(NULL)2.5 E F0 2.5(,t)C -(hen read from)-2.5 E F2(~/.history)2.5 E F0 5(.R)C -(eturns 0 if successful, or)-5 E F1(err)2.5 E(no)-.15 E F0(if not.)2.5 E -F2(int)108 609.6 Q F1(write_history)2.5 E F0(\()4.166 E F2(const c)A +5.053 F F1(fr)2.553 E(om)-.45 E F0 .053(and end at)2.553 F F1(to)2.553 E +F0(.)A(If)108 621.6 Q F1(fr)2.889 E(om)-.45 E F0 .389 +(is zero, start at the be)2.889 F 2.889(ginning. If)-.15 F F1(to)2.889 E +F0 .389(is less than)2.889 F F1(fr)2.889 E(om)-.45 E F0 2.889(,t)C .388 +(hen read until the end of the \214le.)-2.889 F(If)5.388 E F1 +(\214lename)2.888 E F0(is)108 633.6 Q F2(NULL)2.5 E F0 2.5(,t)C +(hen read from)-2.5 E F1(~/.history)2.5 E F0 5(.R)C +(eturns 0 if successful, or)-5 E F2(err)2.5 E(no)-.15 E F0(if not.)2.5 E +F1(int)108 657.6 Q F2(write_history)2.5 E F0(\()4.166 E F1(const c)A (har *\214lename)-.15 E F0(\))1.666 E .961(Write the current history to) -108 621.6 R F2(\214lename)3.461 E F0 3.461(,o)C -.15(ve)-3.611 G -(rwriting).15 E F2(\214lename)3.461 E F0 .961(if necessary)3.461 F 5.961 -(.I)-.65 G(f)-5.961 E F2(\214lename)3.462 E F0(is)3.462 E F1(NULL)3.462 -E F0 3.462(,t)C .962(hen write)-3.462 F(the history list to)108 633.6 Q -F2(~/.history)2.5 E F0 5(.R)C(eturns 0 on success, or)-5 E F1(err)2.5 E -(no)-.15 E F0(on a read or write error)2.5 E(.)-.55 E F2(int)108 669.6 Q -F1(append_history)2.5 E F0(\()4.166 E F2(int nelements,)A(const c)1.666 -E(har *\214lename)-.15 E F0(\))1.666 E .839(Append the last)108 681.6 R -F2(nelements)3.339 E F0 .839(of the history list to)3.339 F F2 -(\214lename)3.339 E F0 5.839(.I)C(f)-5.839 E F2(\214lename)3.339 E F0 -(is)3.339 E F1(NULL)3.339 E F0 3.339(,t)C .838(hen append to)-3.339 F F2 -(~/.history)3.338 E F0(.)A(Returns 0 on success, or)108 693.6 Q F1(err) -2.5 E(no)-.15 E F0(on a read or write error)2.5 E(.)-.55 E F2(int)108 -717.6 Q F1(history_truncate_\214le)2.5 E F0(\()4.166 E F2(const c)A -(har *\214lename)-.15 E 1.666(,i)-.1 G(nt nlines)-1.666 E F0(\))1.666 E --.35(Tr)108 729.6 S .38(uncate the history \214le).35 F F2(\214lename) -2.88 E F0 2.88(,l)C(ea)-2.88 E .38(ving only the last)-.2 F F2(nlines) -2.881 E F0 2.881(lines. If)2.881 F F2(\214lename)2.881 E F0(is)2.881 E -F1(NULL)2.881 E F0 2.881(,t)C(hen)-2.881 E F2(~/.history)2.881 E F0(is) -2.881 E(GNU History 6.3)72 768 Q(2017 October 8)133.735 E(5)197.895 E 0 -Cg EP +108 669.6 R F1(\214lename)3.461 E F0 3.461(,o)C -.15(ve)-3.611 G +(rwriting).15 E F1(\214lename)3.461 E F0 .961(if necessary)3.461 F 5.961 +(.I)-.65 G(f)-5.961 E F1(\214lename)3.462 E F0(is)3.462 E F2(NULL)3.462 +E F0 3.462(,t)C .962(hen write)-3.462 F(the history list to)108 681.6 Q +F1(~/.history)2.5 E F0 5(.R)C(eturns 0 on success, or)-5 E F2(err)2.5 E +(no)-.15 E F0(on a read or write error)2.5 E(.)-.55 E F1(int)108 717.6 Q +F2(append_history)2.5 E F0(\()4.166 E F1(int nelements,)A(const c)1.666 +E(har *\214lename)-.15 E F0(\))1.666 E .839(Append the last)108 729.6 R +F1(nelements)3.339 E F0 .839(of the history list to)3.339 F F1 +(\214lename)3.339 E F0 5.839(.I)C(f)-5.839 E F1(\214lename)3.339 E F0 +(is)3.339 E F2(NULL)3.339 E F0 3.339(,t)C .838(hen append to)-3.339 F F1 +(~/.history)3.338 E F0(.)A(GNU History 8.1)72 768 Q(2020 July 17)139.005 +E(5)203.165 E 0 Cg EP %%Page: 6 6 %%BeginPageSetup BP %%EndPageSetup /F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 124.845(Y\(3\) Library) --.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E 2.5 -(truncated. Returns)108 84 R 2.5(0o)2.5 G 2.5(ns)-2.5 G(uccess, or)-2.5 -E/F1 10/Times-Bold@0 SF(err)2.5 E(no)-.15 E F0(on f)2.5 E(ailure.)-.1 E -F1(History Expansion)87 112.8 Q F0(These functions implement history e) -108 124.8 Q(xpansion.)-.15 E/F2 10/Times-Italic@0 SF(int)108 148.8 Q F1 -(history_expand)2.5 E F0(\()4.166 E F2 -.15(ch)C(ar *string).15 E 1.666 -(,c)-.1 G(har **output)-1.816 E F0(\))1.666 E(Expand)108 160.8 Q F2 -(string)2.5 E F0 2.5(,p)C(lacing the result into)-2.5 E F2(output)2.5 E -F0 2.5(,ap)C(ointer to a string.)-2.5 E(Returns:)5 E(0)144 172.8 Q .566 -(If no e)180 172.8 R .566(xpansions took place \(or)-.15 F 3.065(,i)-.4 -G 3.065(ft)-3.065 G .565(he only change in the te)-3.065 F .565(xt w) --.15 F .565(as the remo)-.1 F -.25(va)-.15 G 3.065(lo).25 G 3.065(fe) --3.065 G(scape)-3.065 E(characters preceding the history e)180 184.8 Q -(xpansion character\);)-.15 E(1)144 196.8 Q(if e)180 196.8 Q -(xpansions did tak)-.15 E 2.5(ep)-.1 G(lace;)-2.5 E(-1)144 208.8 Q -(if there w)180 208.8 Q(as an error in e)-.1 E(xpansion;)-.15 E(2)144 -220.8 Q(if the returned line should be displayed, b)180 220.8 Q -(ut not e)-.2 E -.15(xe)-.15 G(cuted, as with the).15 E F1(:p)2.5 E F0 -(modi\214er)2.5 E(.)-.55 E(If an error ocurred in e)108 232.8 Q -(xpansion, then)-.15 E F2(output)2.5 E F0(contains a descripti)2.5 E .3 --.15(ve e)-.25 H(rror message.).15 E F2 -.15(ch)108 256.8 S(ar *).15 E -F1(get_history_e)2.5 E -.1(ve)-.15 G(nt).1 E F0(\()4.166 E F2(const c)A -(har *string)-.15 E 1.666(,i)-.1 G(nt *cinde)-1.666 E -.834(x, int)-.2 F -(qc)2.5 E(har)-.15 E F0(\))3.332 E .262(Returns the te)108 268.8 R .262 +-.65 F(Functions Manual)2.5 E(HIST)127.345 E(OR)-.18 E(Y\(3\))-.65 E +(Returns 0 on success, or)108 84 Q/F1 10/Times-Bold@0 SF(err)2.5 E(no) +-.15 E F0(on a read or write error)2.5 E(.)-.55 E/F2 10/Times-Italic@0 +SF(int)108 108 Q F1(history_truncate_\214le)2.5 E F0(\()4.166 E F2 +(const c)A(har *\214lename)-.15 E 1.666(,i)-.1 G(nt nlines)-1.666 E F0 +(\))1.666 E -.35(Tr)108 120 S .38(uncate the history \214le).35 F F2 +(\214lename)2.88 E F0 2.88(,l)C(ea)-2.88 E .38(ving only the last)-.2 F +F2(nlines)2.881 E F0 2.881(lines. If)2.881 F F2(\214lename)2.881 E F0 +(is)2.881 E F1(NULL)2.881 E F0 2.881(,t)C(hen)-2.881 E F2(~/.history) +2.881 E F0(is)2.881 E 2.5(truncated. Returns)108 132 R 2.5(0o)2.5 G 2.5 +(ns)-2.5 G(uccess, or)-2.5 E F1(err)2.5 E(no)-.15 E F0(on f)2.5 E +(ailure.)-.1 E F1(History Expansion)87 160.8 Q F0 +(These functions implement history e)108 172.8 Q(xpansion.)-.15 E F2 +(int)108 196.8 Q F1(history_expand)2.5 E F0(\()4.166 E F2 -.15(ch)C +(ar *string).15 E 1.666(,c)-.1 G(har **output)-1.816 E F0(\))1.666 E +(Expand)108 208.8 Q F2(string)2.5 E F0 2.5(,p)C(lacing the result into) +-2.5 E F2(output)2.5 E F0 2.5(,ap)C(ointer to a string.)-2.5 E(Returns:) +5 E(0)144 220.8 Q .566(If no e)180 220.8 R .566 +(xpansions took place \(or)-.15 F 3.065(,i)-.4 G 3.065(ft)-3.065 G .565 +(he only change in the te)-3.065 F .565(xt w)-.15 F .565(as the remo)-.1 +F -.25(va)-.15 G 3.065(lo).25 G 3.065(fe)-3.065 G(scape)-3.065 E +(characters preceding the history e)180 232.8 Q(xpansion character\);) +-.15 E(1)144 244.8 Q(if e)180 244.8 Q(xpansions did tak)-.15 E 2.5(ep) +-.1 G(lace;)-2.5 E(-1)144 256.8 Q(if there w)180 256.8 Q +(as an error in e)-.1 E(xpansion;)-.15 E(2)144 268.8 Q +(if the returned line should be displayed, b)180 268.8 Q(ut not e)-.2 E +-.15(xe)-.15 G(cuted, as with the).15 E F1(:p)2.5 E F0(modi\214er)2.5 E +(.)-.55 E(If an error occurred in e)108 280.8 Q(xpansion, then)-.15 E F2 +(output)2.5 E F0(contains a descripti)2.5 E .3 -.15(ve e)-.25 H +(rror message.).15 E F2 -.15(ch)108 304.8 S(ar *).15 E F1(get_history_e) +2.5 E -.1(ve)-.15 G(nt).1 E F0(\()4.166 E F2(const c)A(har *string)-.15 +E 1.666(,i)-.1 G(nt *cinde)-1.666 E -.834(x, int)-.2 F(qc)2.5 E(har)-.15 +E F0(\))3.332 E .262(Returns the te)108 316.8 R .262 (xt of the history e)-.15 F -.15(ve)-.25 G .262(nt be).15 F .263 (ginning at)-.15 F F2(string)2.763 E F0(+)2.763 E F2(*cinde)2.763 E(x) -.2 E F0(.)A F2(*cinde)5.263 E(x)-.2 E F0 .263 -(is modi\214ed to point to after the)2.763 F -2.15 -.25(ev e)108 280.8 T +(is modi\214ed to point to after the)2.763 F -2.15 -.25(ev e)108 328.8 T .71(nt speci\214er).25 F 5.71(.A)-.55 G 3.21(tf)-5.71 G .71 (unction entry)-3.21 F(,)-.65 E F2(cinde)3.21 E(x)-.2 E F0 .709 (points to the inde)3.21 F 3.209(xi)-.15 G(nto)-3.209 E F2(string)3.209 E F0 .709(where the history e)3.209 F -.15(ve)-.25 G .709 -(nt speci\214ca-).15 F .527(tion be)108 292.8 R(gins.)-.15 E F2(qc)5.527 +(nt speci\214ca-).15 F .527(tion be)108 340.8 R(gins.)-.15 E F2(qc)5.527 E(har)-.15 E F0 .527(is a character that is allo)3.027 F .527 (wed to end the e)-.25 F -.15(ve)-.25 G .528 (nt speci\214cation in addition to the `).15 F(`normal')-.74 E(')-.74 E -(terminating characters.)108 304.8 Q F2 -.15(ch)108 328.8 S(ar **).15 E +(terminating characters.)108 352.8 Q F2 -.15(ch)108 376.8 S(ar **).15 E F1(history_tok)2.5 E(enize)-.1 E F0(\()4.166 E F2(const c)A(har *string) --.15 E F0(\))1.666 E .239(Return an array of tok)108 340.8 R .239 +-.15 E F0(\))1.666 E .239(Return an array of tok)108 388.8 R .239 (ens parsed out of)-.1 F F2(string)2.739 E F0 2.739(,m)C .238 (uch as the shell might.)-2.739 F .238(The tok)5.238 F .238 -(ens are split on the charac-)-.1 F(ters in the)108 352.8 Q F1 +(ens are split on the charac-)-.1 F(ters in the)108 400.8 Q F1 (history_w)2.5 E(ord_delimiters)-.1 E F0 -.25(va)2.5 G (riable, and shell quoting con).25 E -.15(ve)-.4 G(ntions are obe).15 E -(yed.)-.15 E F2 -.15(ch)108 376.8 S(ar *).15 E F1(history_ar)2.5 E +(yed.)-.15 E F2 -.15(ch)108 424.8 S(ar *).15 E F1(history_ar)2.5 E (g_extract)-.1 E F0(\()4.166 E F2(int \214r)A -.834(st, int)-.1 F -.834 (last, const)2.5 F -.15(ch)2.5 G(ar *string).15 E F0(\))3.332 E .025 -(Extract a string se)108 388.8 R .025(gment consisting of the)-.15 F F2 +(Extract a string se)108 436.8 R .025(gment consisting of the)-.15 F F2 <8c72>2.526 E(st)-.1 E F0(through)2.526 E F2(last)2.526 E F0(ar)2.526 E .026(guments present in)-.18 F F2(string)2.526 E F0 5.026(.A)C -.18(rg) --5.026 G .026(uments are split).18 F(using)108 400.8 Q F1(history_tok) -2.5 E(enize\(\))-.1 E F0(.)A F1(History V)87 429.6 Q(ariables)-.92 E F0 -(This section describes the e)108 441.6 Q(xternally-visible v)-.15 E +-5.026 G .026(uments are split).18 F(using)108 448.8 Q F1(history_tok) +2.5 E(enize\(\))-.1 E F0(.)A F1(History V)87 477.6 Q(ariables)-.92 E F0 +(This section describes the e)108 489.6 Q(xternally-visible v)-.15 E (ariables e)-.25 E(xported by the GNU History Library)-.15 E(.)-.65 E F2 -(int)108 465.6 Q F1(history_base)2.5 E F0(The logical of)108 477.6 Q -(fset of the \214rst entry in the history list.)-.25 E F2(int)108 501.6 +(int)108 513.6 Q F1(history_base)2.5 E F0(The logical of)108 525.6 Q +(fset of the \214rst entry in the history list.)-.25 E F2(int)108 549.6 Q F1(history_length)2.5 E F0 -(The number of entries currently stored in the history list.)108 513.6 Q -F2(int)108 537.6 Q F1(history_max_entries)2.5 E F0 -(The maximum number of history entries.)108 549.6 Q +(The number of entries currently stored in the history list.)108 561.6 Q +F2(int)108 585.6 Q F1(history_max_entries)2.5 E F0 +(The maximum number of history entries.)108 597.6 Q (This must be changed using)5 E F1(sti\215e_history\(\))2.5 E F0(.)A F2 -(int)108 573.6 Q F1(history_wite_timestamps)2.5 E F0 1.468 +(int)108 621.6 Q F1(history_write_timestamps)2.5 E F0 .484 (If non-zero, timestamps are written to the history \214le, so the)108 -585.6 R 3.968(yc)-.15 G 1.468(an be preserv)-3.968 F 1.468 -(ed between sessions.)-.15 F(The)6.468 E(def)108 597.6 Q .438(ault v)-.1 -F .439(alue is 0, meaning that timestamps are not sa)-.25 F -.15(ve)-.2 -G 2.939(d. The).15 F .439(current timestamp format uses the v)2.939 F -.439(alue of)-.25 F F2(history_comment_c)108 609.6 Q(har)-.15 E F0 .051 +633.6 R 2.983(yc)-.15 G .483(an be preserv)-2.983 F .483 +(ed between sessions.)-.15 F .483(The de-)5.483 F -.1(fa)108 645.6 S +.994(ult v).1 F .994(alue is 0, meaning that timestamps are not sa)-.25 +F -.15(ve)-.2 G 3.494(d. The).15 F .994 +(current timestamp format uses the v)3.494 F .995(alue of)-.25 F F2 +(history_comment_c)108 657.6 Q(har)-.15 E F0 .051 (to delimit timestamp entries in the history \214le.)2.552 F .051 (If that v)5.051 F .051(ariable does not ha)-.25 F .351 -.15(ve a v)-.2 -H(alue)-.1 E(\(the def)108 621.6 Q -(ault\), timestamps will not be written.)-.1 E F2 -.15(ch)108 645.6 S +H(alue)-.1 E(\(the def)108 669.6 Q +(ault\), timestamps will not be written.)-.1 E F2 -.15(ch)108 693.6 S (ar).15 E F1(history_expansion_char)2.5 E F0 -(The character that introduces a history e)108 657.6 Q -.15(ve)-.25 G +(The character that introduces a history e)108 705.6 Q -.15(ve)-.25 G 2.5(nt. 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