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fix history expansion to not perform quick substitution on a new line that's part of a quoted string; save the value of $_ around prompt string decoding

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This commit is contained in:
Chet Ramey
2023-12-19 09:56:34 -05:00
parent 9d51df7546
commit aa2d23cfac
24 changed files with 1973 additions and 1779 deletions
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doc/bashref.texi
+22 -12
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@@ -4531,23 +4531,28 @@ synonym); @code{emacs} is equivalent to @code{emacs-standard}.
List the names of all Readline functions.
@item -p
Display Readline function names and bindings in such a way that they
can be used as input or in a Readline initialization file.
Display Readline function names and bindings
in such a way that they can be used as
an argument to a subsequent @code{bind} command
or in a Readline initialization file.
@item -P
List current Readline function names and bindings.
@item -v
Display Readline variable names and values in such a way that they
can be used as input or in a Readline initialization file.
Display Readline variable names and values
in such a way that they can be used as
an argument to a subsequent @code{bind} command
or in a Readline initialization file.
@item -V
List current Readline variable names and values.
@item -s
Display Readline key sequences bound to macros and the strings they output
in such a way that they can be used as input or in a Readline
initialization file.
in such a way that they can be used as
an argument to a subsequent @code{bind} command
or in a Readline initialization file.
@item -S
Display Readline key sequences bound to macros and the strings they output.
@@ -4590,7 +4595,8 @@ reflected in the editing state.
@item -X
List all key sequences bound to shell commands and the associated commands
in a format that can be reused as input.
in a format that can be reused as
an argument to a subsequent @code{bind} command.
@end table
@noindent
@@ -6689,13 +6695,17 @@ Up to three characters which control history expansion, quick
substitution, and tokenization (@pxref{History Interaction}).
The first character is the
@dfn{history expansion} character, that is, the character which signifies the
start of a history expansion, normally @samp{!}. The second character is the
character which signifies `quick substitution' when seen as the first
character on a line, normally @samp{^}. The optional third character is the
start of a history expansion, normally @samp{!}.
The second character is the
character which signifies "quick substitution" when seen as the first
character on a line, normally @samp{^}.
The optional third character is the
character which indicates that the remainder of the line is a comment when
found as the first character of a word, usually @samp{#}. The history
found as the first character of a word, usually @samp{#}.
The history
comment character causes history substitution to be skipped for the
remaining words on the line. It does not necessarily cause the shell
remaining words on the line.
It does not necessarily cause the shell
parser to treat the rest of the line as a comment.
@item HISTCMD