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Bash-4.3 distribution sources and documentation

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Chet Ramey 2014-02-26 09:36:43 -05:00
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24
lib/readline/doc/hsuser.texi
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@ -1,7 +1,7 @@
@ignore
This file documents the user interface to the GNU History library.
Copyright (C) 1988--2011 Free Software Foundation, Inc.
Copyright (C) 1988--2014 Free Software Foundation, Inc.
Authored by Brian Fox and Chet Ramey.
Permission is granted to make and distribute verbatim copies of this manual
@ -84,17 +84,18 @@ file named by the @env{HISTFILE} variable (default @file{~/.bash_history}).
The file named by the value of @env{HISTFILE} is truncated, if
necessary, to contain no more than the number of lines specified by
the value of the @env{HISTFILESIZE} variable.
When an interactive shell exits, the last
When a shell with history enabled exits, the last
@env{$HISTSIZE} lines are copied from the history list to the file
named by @env{$HISTFILE}.
If the @code{histappend} shell option is set (@pxref{Bash Builtins}),
the lines are appended to the history file,
otherwise the history file is overwritten.
If @env{HISTFILE}
is unset, or if the history file is unwritable, the history is
not saved. After saving the history, the history file is truncated
to contain no more than @env{$HISTFILESIZE}
lines. If @env{HISTFILESIZE} is not set, no truncation is performed.
is unset, or if the history file is unwritable, the history is not saved.
After saving the history, the history file is truncated
to contain no more than @env{$HISTFILESIZE} lines.
If @env{HISTFILESIZE} is unset, or set to null, a non-numeric value, or
a numeric value less than zero, the history file is not truncated.
If the @env{HISTTIMEFORMAT} is set, the time stamp information
associated with each history entry is written to the history file,
@ -141,8 +142,10 @@ history list and history file.
@code{fc -s [@var{pat}=@var{rep}] [@var{command}]}
@end example
Fix Command. In the first form, a range of commands from @var{first} to
@var{last} is selected from the history list. Both @var{first} and
The first form selects a range of commands from @var{first} to
@var{last} from the history list and displays or edits and re-executes
them.
Both @var{first} and
@var{last} may be specified as a string (to locate the most recent
command beginning with that string) or as a number (an index into the
history list, where a negative number is used as an offset from the
@ -161,6 +164,7 @@ When editing is complete, the edited commands are echoed and executed.
In the second form, @var{command} is re-executed after each instance
of @var{pat} in the selected command is replaced by @var{rep}.
@var{command} is intepreted the same as @var{first} above.
A useful alias to use with the @code{fc} command is @code{r='fc -s'}, so
that typing @samp{r cc} runs the last command beginning with @code{cc}
@ -208,11 +212,11 @@ to the current history list. These are lines appended to the history
file since the beginning of the current Bash session.
@item -r
Read the current history file and append its contents to
Read the history file and append its contents to
the history list.
@item -w
Write out the current history to the history file.
Write out the current history list to the history file.
@item -p
Perform history substitution on the @var{arg}s and display the result