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update fix to save history if fatal signal arrives during $PROMPT_COMMAND execution; fix issue with extglob and empty patterns preceding pattern beginning with a `.'

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This commit is contained in:
Chet Ramey
2026-03-24 10:10:30 -04:00
parent 1f292e433e
commit 55f721c51e
22 changed files with 3626 additions and 3540 deletions
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doc/bash.1
+9 -2
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@@ -907,6 +907,10 @@ The array variable
.SM
.B BASH_REMATCH
records which parts of the string matched the pattern.
.B Bash
unsets
.B BASH_REMATCH
before attempting the match, so if there is no match, it remains unset.
The element of
.SM
.B BASH_REMATCH
@@ -925,8 +929,11 @@ string matching the \fIn\fPth parenthesized subexpression.
\fBBash\fP sets
.SM
.B BASH_REMATCH
in the global scope; declaring it as a local variable will lead to
unexpected results.
in the global scope if it is not set;
if it is declared as a local variable before running
.BR [[ ,
.B bash
keeps it a local variable.
.IP
Expressions may be combined using the following operators, listed
in decreasing order of precedence: