diff options
author | Perl 5 Porters <perl5-porters@africa.nicoh.com> | 1997-03-26 07:04:34 +1200 |
---|---|---|
committer | Chip Salzenberg <chip@atlantic.net> | 1997-03-26 07:04:34 +1200 |
commit | 54310121b442974721115f93666234a200f5c7e4 (patch) | |
tree | 99b5953030ddf062d77206ac0cf8ac967e7cbd93 /pod/perlfaq8.pod | |
parent | d03407ef6d8e534a414e9ce92c6c5c8dab664a40 (diff) | |
download | perl-54310121b442974721115f93666234a200f5c7e4.tar.gz |
[inseperable changes from patch from perl-5.003_95 to perl-5.003_86]
[editor's note: this commit was prepared manually so may differ in
minor ways to other inseperable changes commits]
CORE LANGUAGE CHANGES
Title: "Support $ENV{PERL5OPT}"
From: Chip Salzenberg
Files: perl.c pod/perldiag.pod pod/perldelta.pod pod/perlrun.pod
Title: "Implement void context, in which C<wantarray> is undef"
From: Chip Salzenberg
Files: cop.h doop.c dump.c global.sym gv.c op.c op.h perl.c
pod/perlcall.pod pod/perldelta.pod pod/perlfunc.pod
pod/perlguts.pod pod/perlsub.pod pp.c pp_ctl.c pp_hot.c
pp_sys.c proto.h
Title: "Don't look up &AUTOLOAD in @ISA when calling plain function"
From: Chip Salzenberg
Files: global.sym gv.c lib/Text/ParseWords.pm pod/perldelta.pod
pp_hot.c proto.h t/op/method.t
Title: "Allow closures to be constant subroutines"
From: Chip Salzenberg
Files: op.c
Title: "Make C<scalar(reverse)> mean C<scalar(reverse $_)>"
From: Chip Salzenberg
Files: pp.c
Title: "Fix lexical suicide from C<my $x = $x> in sub"
From: Chip Salzenberg
Files: op.c
Title: "Make "Unrecog. char." fatal, and update its doc"
From: Chip Salzenberg
Files: pod/perldiag.pod toke.c
CORE PORTABILITY
Title: "safefree() mismatch"
From: Roderick Schertler
Msg-ID: <21338.859653381@eeyore.ibcinc.com>
Date: Sat, 29 Mar 1997 11:36:21 -0500
Files: util.c
(applied based on p5p patch as commit id 9b9b466fb02dc96c81439bafbb3b2da55238cfd2)
Title: "Win32 update (seven patches)"
From: Gurusamy Sarathy and Nick Ing-Simmons
Files: EXTERN.h MANIFEST win32/Makefile win32/perl.mak
win32/perl.rc win32/perldll.mak win32/makedef.pl
win32/modules.mak win32/win32io.c win32/bin/pl2bat.bat
OTHER CORE CHANGES
Title: "Report PERL* environment variables in -V and perlbug"
From: Chip Salzenberg
Files: perl.c utils/perlbug.PL
Title: "Typo in perl.c: Printing NO_EMBED for perl -V"
From: Gisle Aas
Msg-ID: <199703301922.VAA13509@furubotn.sn.no>
Date: Sun, 30 Mar 1997 21:22:11 +0200
Files: perl.c
(applied based on p5p patch as commit id b6c639e4b1912ad03b9b10ba9518d96bd0a6cfaf)
Title: "Don't let C<$var = $var> untaint $var"
From: Chip Salzenberg
Files: pp_hot.c pp_sys.c sv.h t/op/taint.t
Title: "Fix autoviv bug in C<my $x; ++$x->{KEY}>"
From: Chip Salzenberg
Files: pp_hot.c
Title: "Re: 5.004's new srand() default seed"
From: Hallvard B Furuseth
Msg-ID: <199703302219.AAA20998@bombur2.uio.no>
Date: Mon, 31 Mar 1997 00:19:13 +0200 (MET DST)
Files: pp.c
(applied based on p5p patch as commit id d7d933a26349f945f93b2f0dbf85b773d8ca3219)
Title: "Re: embedded perl and top_env problem "
From: Gurusamy Sarathy
Msg-ID: <199703280031.TAA05711@aatma.engin.umich.edu>
Date: Thu, 27 Mar 1997 19:31:42 -0500
Files: gv.c interp.sym perl.c perl.h pp_ctl.c pp_sys.c scope.h util.c
(applied based on p5p patch as commit id f289f7d2518e7a8a82114282e774adf50fa6ce85)
Title: "Define and use new macro: boolSV()"
From: Tim Bunce
Files: gv.c lib/ExtUtils/typemap os2/os2.c pp.c pp_hot.c pp_sys.c
sv.c sv.h universal.c vms/vms.c
Title: "Re: strict @F"
From: Hallvard B Furuseth
Msg-ID: <199703252110.WAA16038@bombur2.uio.no>
Date: Tue, 25 Mar 1997 22:10:33 +0100 (MET)
Files: toke.c
(applied based on p5p patch as commit id dfd44a5c8c8dd4c001c595debfe73d011a96d844)
Title: "Try harder to identify errors at EOF"
From: Chip Salzenberg
Files: toke.c
Title: "Minor string change in toke.c: 'bareword'"
From: lvirden@cas.org
Msg-ID: <1997Mar27.130247.1911552@hmivax.humgen.upenn.edu>
Date: Thu, 27 Mar 1997 13:02:46 -0500 (EST)
Files: toke.c
(applied based on p5p patch as commit id 9b56c8f8085a9e773ad87c6b3c1d0b5e39dbc348)
Title: "Improve diagnostic on \r in program text"
From: Chip Salzenberg
Files: pod/perldiag.pod toke.c
Title: "Make Sock_size_t typedef work right"
From: Chip Salzenberg
Files: perl.h pp_sys.c
LIBRARY AND EXTENSIONS
Title: "New module constant.pm"
From: Tom Phoenix
Files: MANIFEST lib/constant.pm op.c pp.c t/pragma/constant.t
Title: "Remove chat2"
From: Chip Salzenberg
Files: MANIFEST lib/chat2.inter lib/chat2.pl
Title: "Include CGI.pm 2.32"
From: Chip Salzenberg
Files: MANIFEST eg/cgi/* lib/CGI.pm lib/CGI/Apache.pm
lib/CGI/Carp.pm lib/CGI/Fast.pm lib/CGI/Push.pm
lib/CGI/Switch.pm
UTILITIES
Title: "Tom C's Pod::Html and html tools, as of 30 March 97"
From: Chip Salzenberg
Files: MANIFEST installhtml lib/Pod/Html.pm pod/pod2html.PL
Title: "Fix path bugs in installhtml"
From: Robin Barker <rmb1@cise.npl.co.uk>
Msg-ID: <3180.9703270906@tempest.cise.npl.co.uk>
Date: Thu, 27 Mar 97 09:06:14 GMT
Files: installhtml
Title: "Make perlbug say that it's only for core Perl bugs"
From: Chip Salzenberg
Files: utils/perlbug.PL
DOCUMENTATION
Title: "Document autouse and constant; update diagnostics"
From: Chip Salzenberg
Files: pod/perldelta.pod
Title: "Suggest to upgraders that they try '-w' again"
From: Hallvard B Furuseth
Msg-ID: <199703251901.UAA15982@bombur2.uio.no>
Date: Tue, 25 Mar 1997 20:01:26 +0100 (MET)
Files: pod/perldelta.pod
(applied based on p5p patch as commit id 4176c059b9ba6b022e99c44270434a5c3e415b73)
Title: "Improve and update documentation of constant subs"
From: Tom Phoenix <rootbeer@teleport.com>
Msg-ID: <Pine.GSO.3.96.970331122546.14185C-100000@kelly.teleport.com>
Date: Mon, 31 Mar 1997 13:05:54 -0800 (PST)
Files: pod/perlsub.pod
Title: "Improve documentation of C<return>"
From: Chip Salzenberg
Files: pod/perlfunc.pod pod/perlsub.pod
Title: "perlfunc.pod patch"
From: Gisle Aas
Msg-ID: <199703262159.WAA17531@furubotn.sn.no>
Date: Wed, 26 Mar 1997 22:59:23 +0100
Files: pod/perlfunc.pod
(applied based on p5p patch as commit id 35a731fcbcd7860eb497d6598f3f77b8746319c4)
Title: "Use 'while (defined($x = <>)) {}', per <gnat@frii.com>"
From: Chip Salzenberg
Files: configpm lib/Term/Cap.pm perlsh pod/perlipc.pod pod/perlop.pod
pod/perlsub.pod pod/perlsyn.pod pod/perltrap.pod
pod/perlvar.pod win32/bin/search.bat
Title: "Document and test C<%> behavior with negative operands"
From: Chip Salzenberg
Files: pod/perlop.pod t/op/arith.t
Title: "Update docs on $]"
From: Chip Salzenberg
Files: pod/perlvar.pod
Title: "perlvar.pod patch"
From: Gisle Aas
Msg-ID: <199703261254.NAA10237@bergen.sn.no>
Date: Wed, 26 Mar 1997 13:54:00 +0100
Files: pod/perlvar.pod
(applied based on p5p patch as commit id 0aa182cb0caa3829032904b9754807b1b7418509)
Title: "Fix example of C<or> vs. C<||>"
From: Chip Salzenberg
Files: pod/perlsyn.pod
Title: "Pod usage and spelling patch"
From: Larry W. Virden
Files: pod/*.pod
Title: "Pod updates"
From: "Cary D. Renzema" <caryr@mxim.com>
Msg-ID: <199703262353.PAA01819@macs.mxim.com>
Date: Wed, 26 Mar 1997 15:53:22 -0800 (PST)
Files: pod/*.pod
(applied based on p5p patch as commit id 5695b28edc67a3f45e8a0f25755d07afef3660ac)
Diffstat (limited to 'pod/perlfaq8.pod')
-rw-r--r-- | pod/perlfaq8.pod | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/pod/perlfaq8.pod b/pod/perlfaq8.pod index 7250afbca5..bc8412bf6f 100644 --- a/pod/perlfaq8.pod +++ b/pod/perlfaq8.pod @@ -104,7 +104,7 @@ give the numeric values you want directly, using octal ("\015"), hex Even though with normal text files, a "\n" will do the trick, there is still no unified scheme for terminating a line that is portable -between Unix, DOS/Win, and Macintosh, except to terminate I<ALL> line +between Unix, MS-DOS/Windows, and Macintosh, except to terminate I<ALL> line ends with "\015\012", and strip what you don't need from the output. This applies especially to socket I/O and autoflushing, discussed next. @@ -208,7 +208,7 @@ You don't actually "trap" a control character. Instead, that character generates a signal, which you then trap. Signals are documented in L<perlipc/"Signals"> and chapter 6 of the Camel. -Be warned that very few C libraries are re-entrant. Therefore, if you +Be warned that very few C libraries are reentrant. Therefore, if you attempt to print() in a handler that got invoked during another stdio operation your internal structures will likely be in an inconsistent state, and your program will dump core. You can @@ -230,7 +230,7 @@ For example: However, because syscalls restart by default, you'll find that if you're in a "slow" call, such as E<lt>FHE<gt>, read(), connect(), or wait(), that the only way to terminate them is by "longjumping" out; -that is, by raising an exception. See the time-out handler for a +that is, by raising an exception. See the timeout handler for a blocking flock() in L<perlipc/"Signals"> or chapter 6 of the Camel. =head2 How do I modify the shadow password file on a Unix system? @@ -267,7 +267,7 @@ http://www.perl.com/CPAN/doc/misc/ancient/tutorial/eg/itimers.pl . =head2 How can I measure time under a second? In general, you may not be able to. The Time::HiRes module (available -from CPAN) provides this functionality for some systems. +from CPAN) provides this functionality for some systems. In general, you may not be able to. But if you system supports both the syscall() function in Perl as well as a system call like gettimeofday(2), @@ -311,7 +311,7 @@ END blocks you should also use Perl's exception-handling mechanism is its eval() operator. You can use eval() as setjmp and die() as longjmp. For details of this, see -the section on signals, especially the time-out handler for a blocking +the section on signals, especially the timeout handler for a blocking flock() in L<perlipc/"Signals"> and chapter 6 of the Camel. If exception handling is all you're interested in, try the @@ -352,7 +352,7 @@ Simple files like F<errno.h>, F<syscall.h>, and F<socket.h> were fine, but the hard ones like F<ioctl.h> nearly always need to hand-edited. Here's how to install the *.ph files: - 1. become super-user + 1. become superuser 2. cd /usr/include 3. h2ph *.h */*.h @@ -513,7 +513,7 @@ You have to do this: Just as with system(), no shell escapes happen when you exec() a list. -=head2 Why can't my script read from STDIN after I gave it EOF (^D on Unix, ^Z on MSDOS)? +=head2 Why can't my script read from STDIN after I gave it EOF (^D on Unix, ^Z on MS-DOS)? Because some stdio's set error and eof flags that need clearing. The POSIX module defines clearerr() that you can use. That is the @@ -552,7 +552,7 @@ Things that are awkward to do in the shell are easy to do in Perl, and this very awkwardness is what would make a shell->perl converter nigh-on impossible to write. By rewriting it, you'll think about what you're really trying to do, and hopefully will escape the shell's -pipeline datastream paradigm, which while convenient for some matters, +pipeline data stream paradigm, which while convenient for some matters, causes many inefficiencies. =head2 Can I use perl to run a telnet or ftp session? |