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Diffstat (limited to 'doc/history.info')
| -rw-r--r-- | doc/history.info | 98 |
1 files changed, 56 insertions, 42 deletions
diff --git a/doc/history.info b/doc/history.info index 870187a..749d53e 100644 --- a/doc/history.info +++ b/doc/history.info @@ -1,11 +1,11 @@ -This is history.info, produced by makeinfo version 6.5 from +This is history.info, produced by makeinfo version 6.7 from history.texi. -This document describes the GNU History library (version 8.0, 30 -November 2018), a programming tool that provides a consistent user -interface for recalling lines of previously typed input. +This document describes the GNU History library (version 8.1, 29 October +2020), a programming tool that provides a consistent user interface for +recalling lines of previously typed input. - Copyright (C) 1988-2016 Free Software Foundation, Inc. + Copyright (C) 1988-2020 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, @@ -123,11 +123,13 @@ the current position in the history list. '!?STRING[?]' Refer to the most recent command preceding the current position in the history list containing STRING. The trailing '?' may be - omitted if the STRING is followed immediately by a newline. + omitted if the STRING is followed immediately by a newline. If + STRING is missing, the string from the most recent search is used; + it is an error if there is no previous search string. '^STRING1^STRING2^' Quick Substitution. Repeat the last command, replacing STRING1 - with STRING2. Equivalent to '!!:s/STRING1/STRING2/'. + with STRING2. Equivalent to '!!:s^STRING1^STRING2^'. '!#' The entire command line typed so far. @@ -174,7 +176,8 @@ separated by single spaces. The last argument. '%' - The word matched by the most recent '?STRING?' search. + The first word matched by the most recent '?STRING?' search, if the + search string begins with a character that is part of a word. 'X-Y' A range of words; '-Y' abbreviates '0-Y'. @@ -188,7 +191,8 @@ separated by single spaces. Abbreviates 'X-$' 'X-' - Abbreviates 'X-$' like 'X*', but omits the last word. + Abbreviates 'X-$' like 'X*', but omits the last word. If 'x' is + missing, it defaults to 0. If a word designator is supplied without an event specification, the previous command is used as the event. @@ -200,7 +204,8 @@ File: history.info, Node: Modifiers, Prev: Word Designators, Up: History Inte --------------- After the optional word designator, you can add a sequence of one or -more of the following modifiers, each preceded by a ':'. +more of the following modifiers, each preceded by a ':'. These modify, +or edit, the word or words selected from the history event. 'h' Remove a trailing pathname component, leaving only the head. @@ -220,11 +225,14 @@ more of the following modifiers, each preceded by a ':'. 's/OLD/NEW/' Substitute NEW for the first occurrence of OLD in the event line. - Any delimiter may be used in place of '/'. The delimiter may be - quoted in OLD and NEW with a single backslash. If '&' appears in - NEW, it is replaced by OLD. A single backslash will quote the '&'. - The final delimiter is optional if it is the last character on the - input line. + Any character may be used as the delimiter in place of '/'. The + delimiter may be quoted in OLD and NEW with a single backslash. If + '&' appears in NEW, it is replaced by OLD. A single backslash will + quote the '&'. If OLD is null, it is set to the last OLD + substituted, or, if no previous history substitutions took place, + the last STRING in a !?STRING'[?]' search. If NEW is is null, each + matching OLD is deleted. The final delimiter is optional if it is + the last character on the input line. '&' Repeat the previous substitution. @@ -235,7 +243,8 @@ more of the following modifiers, each preceded by a ':'. conjunction with 's', as in 'gs/OLD/NEW/', or with '&'. 'G' - Apply the following 's' modifier once to each word in the event. + Apply the following 's' or '&' modifier once to each word in the + event. File: history.info, Node: Programming with GNU History, Next: GNU Free Documentation License, Prev: Using History Interactively, Up: Top @@ -267,7 +276,7 @@ History library is able to keep track of those lines, associate arbitrary data with each line, and utilize information from previous lines in composing new ones. - The programmer using the History library has available functions for + A programmer using the History library has available functions for remembering lines on a history list, associating arbitrary data with a line, removing lines from the list, searching through the list for a line containing an arbitrary text string, and referencing any line in @@ -281,9 +290,9 @@ for manipulating the text of previous lines and using that text in new commands. The basic history manipulation commands are similar to the history substitution provided by 'csh'. - If the programmer desires, he can use the Readline library, which -includes some history manipulation by default, and has the added -advantage of command line editing. + The programmer can also use the Readline library, which includes some +history manipulation by default, and has the added advantage of command +line editing. Before declaring any functions using any functionality the History library provides in other code, an application writer should include the @@ -1386,27 +1395,32 @@ Appendix C Function and Variable Index Tag Table: -Node: Top849 -Node: Using History Interactively1494 -Node: History Interaction2002 -Node: Event Designators3900 -Node: Word Designators5039 -Node: Modifiers6676 -Node: Programming with GNU History7899 -Node: Introduction to History8643 -Node: History Storage10333 -Node: History Functions11468 -Node: Initializing History and State Management12457 -Node: History List Management13269 -Node: Information About the History List15563 -Node: Moving Around the History List17177 -Node: Searching the History List18270 -Node: Managing the History File20195 -Node: History Expansion22015 -Node: History Variables23944 -Node: History Programming Example27924 -Node: GNU Free Documentation License30601 -Node: Concept Index55773 -Node: Function and Variable Index56478 +Node: Top848 +Node: Using History Interactively1493 +Node: History Interaction2001 +Node: Event Designators3899 +Node: Word Designators5173 +Node: Modifiers6933 +Node: Programming with GNU History8478 +Node: Introduction to History9222 +Node: History Storage10900 +Node: History Functions12035 +Node: Initializing History and State Management13024 +Node: History List Management13836 +Node: Information About the History List16130 +Node: Moving Around the History List17744 +Node: Searching the History List18837 +Node: Managing the History File20762 +Node: History Expansion22582 +Node: History Variables24511 +Node: History Programming Example28491 +Node: GNU Free Documentation License31168 +Node: Concept Index56340 +Node: Function and Variable Index57045 End Tag Table + + +Local Variables: +coding: utf-8 +End: |