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posix change for undoing redirections after failed exec; change readline to set lines and columns after SIGTSTP/SIGCONT

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Chet Ramey
2025-01-28 10:15:16 -05:00
parent 25e213a551
commit 0390b4354a
15 changed files with 307 additions and 71 deletions
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@@ -2122,6 +2122,8 @@ If this variable is in the environment when
starts up, the shell enables each option in the list before
reading any startup files.
If this variable is exported, child shells will enable each option
in the list.
This variable is read-only.
<DT><B>BASHPID</B>
@@ -4822,10 +4824,9 @@ ${<I>parameter</I><B>/</B><I>pattern</I><B>/</B><I>string</I>}
<DT>${<I>parameter</I><B>/%</B><I>pattern</I><B>/</B><I>string</I>}<DD>
<B>Pattern substitution</B>.
The <I>pattern</I> is expanded to produce a pattern just as in
pathname expansion and matched against the expanded value of
<I>parameter</I>
using the rules described under
The <I>pattern</I> is expanded to produce a pattern
and matched against the expanded value of <I>parameter</I>
as described under
<B>Pattern Matching</B>
below.
@@ -4910,18 +4911,31 @@ ${<I>parameter</I><B>^</B><I>pattern</I>}
<B>Case modification</B>.
This expansion modifies the case of alphabetic characters in <I>parameter</I>.
The <I>pattern</I> is expanded to produce a pattern just as in
pathname expansion.
Each character in the expanded value of <I>parameter</I> is tested against
<I>pattern</I>, and, if it matches the pattern, its case is converted.
First, the <I>pattern</I> is expanded to produce a pattern
as described below under
<FONT SIZE=-1><B>Pattern Matching</B>.
</FONT>
<B>Bash</B>
then examines characters in the expanded value of <I>parameter</I>
against <I>pattern</I> as described below.
If a character matches the pattern, its case is converted.
The pattern should not attempt to match more than one character.
<DT><DD>
The <B>^</B> operator converts lowercase letters matching <I>pattern</I>
to uppercase; the <B>,</B> operator converts matching uppercase letters
to lowercase.
The <B>^^</B> and <B>,,</B> expansions convert each matched character in the
expanded value; the <B>^</B> and <B>,</B> expansions match and convert only
the first character in the expanded value.
Using
converts lowercase letters matching <I>pattern</I> to uppercase;
converts matching uppercase letters to lowercase.
The
<B>^</B> and <B>,</B> variants
examine the first character in the expanded value
and convert its case if it matches <I>pattern</I>;
the
<B>^^</B> and <B>,,</B> variants
examine all characters in the expanded value
and convert each one that matches <I>pattern</I>.
If <I>pattern</I> is omitted, it is treated like a <B>?</B>, which matches
every character.
<DT><DD>
@@ -5524,6 +5538,7 @@ as described above under
<P>
<B>Pattern Matching</B>
<P>
Any character that appears in a pattern, other than the special pattern
@@ -14819,9 +14834,6 @@ under
<DD>
<DT><B>compat44</B>
<DD>
<DT><B>compat50</B>
<DD>
These control aspects of the shell's compatibility mode
@@ -16523,7 +16535,11 @@ builtin command.
<DT>*<DD>
Importing function definitions from the shell environment at startup.
<DT>*<DD>
Parsing the value of
Parsing the values of
<FONT SIZE=-1><B>BASHOPTS</B>
</FONT>
and
<FONT SIZE=-1><B>SHELLOPTS</B>
</FONT>
@@ -16858,7 +16874,7 @@ Array variables may not (yet) be exported.
<DT><A HREF="#lbDJ">BUGS</A><DD>
</DL>
<HR>
This document was created by man2html from /usr/local/src/bash/bash-20241227/doc/bash.1.<BR>
Time: 08 January 2025 09:33:16 EST
This document was created by man2html from /usr/local/src/bash/bash-20250122/doc/bash.1.<BR>
Time: 28 January 2025 09:45:18 EST
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