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freebsd-skq/bin/sh
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jilles 91789615b4 sh: Save/restore changed variables in optimized command substitution. 
In optimized command substitution, save and restore any variables changed by
expansions (${var=value} and $((var=assigned))), instead of trying to
determine if an expansion may cause such changes.

If $! is referenced in optimized command substitution, do not cause jobs to
be remembered longer.

This fixes $(jobs $!) again, simplifies the man page and shortens the code.
2011-06-12 23:06:04 +00:00
..
bltin
sh: Add kill builtin.
2010-12-21 22:47:34 +00:00
funcs
sh: Update the suspend example for the change of the job control flag
2010-11-13 22:20:46 +00:00
alias.c
sh: Reduce more needless differences between error messages.
2011-06-04 15:05:52 +00:00
alias.h
sh: Remove special code for shell scripts without magic number.
2011-02-04 22:47:55 +00:00
arith_yacc.c
sh: Remove the "exp" builtin.
2011-05-27 20:53:07 +00:00
arith_yacc.h
sh: Import arithmetic expression code from dash.
2011-02-08 23:18:06 +00:00
arith_yylex.c
Remove unnecessary cast.
2011-03-07 07:31:15 +00:00
arith.h
sh: Import arithmetic expression code from dash.
2011-02-08 23:18:06 +00:00
builtins.def
sh: Remove the "exp" builtin.
2011-05-27 20:53:07 +00:00
cd.c
sh: Correct criterion for using CDPATH in cd.
2011-05-27 20:01:46 +00:00
cd.h
sh: On startup of the shell, use PWD from the environment if it is valid.
2010-04-17 14:35:46 +00:00
error.c
sh: Add a function to print warnings (with command name and newline).
2010-12-21 20:47:06 +00:00
error.h
sh: Allow EV_EXIT through function calls, make {...} <redir more consistent.
2011-04-23 22:28:56 +00:00
eval.c
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
eval.h
sh: Various warning fixes (from WARNS=6 NO_WERROR=1):
2009-12-27 18:04:05 +00:00
exec.c
sh: Remove clearcmdentry()'s now unused argument.
2011-02-05 14:08:51 +00:00
exec.h
sh: Remove clearcmdentry()'s now unused argument.
2011-02-05 14:08:51 +00:00
expand.c
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
expand.h
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
histedit.c
sh: Properly restore exception handler in fc.
2010-12-29 19:39:51 +00:00
init.h
sh: Remove special code for shell scripts without magic number.
2011-02-04 22:47:55 +00:00
input.c
sh: Reduce more needless differences between error messages.
2011-06-04 15:05:52 +00:00
input.h
sh: Constify various strings.
2009-12-24 18:41:14 +00:00
jobs.c
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
jobs.h
sh: Forget about terminated background processes sooner.
2010-06-29 22:37:45 +00:00
mail.c
Consistently use "STATIC" for all functions in order to be able to set
2010-10-13 04:01:01 +00:00
mail.h
…
main.c
sh: Read .profile from the home directory (or / if HOME is not set).
2011-06-12 10:13:48 +00:00
main.h
sh: Do not run callers' exception handlers in subshells.
2009-12-25 20:21:35 +00:00
Makefile
sh: Import arithmetic expression code from dash.
2011-02-08 23:18:06 +00:00
memalloc.c
sh: Follow-up to r216743, grabstackblock() can be replaced with stalloc().
2011-01-09 22:47:58 +00:00
memalloc.h
sh: Follow-up to r216743, grabstackblock() can be replaced with stalloc().
2011-01-09 22:47:58 +00:00
miscbltin.c
sh: Minor optimization to output from ulimit/export/readonly.
2011-05-15 22:09:27 +00:00
mkbuiltins
sh: Various warning fixes (from WARNS=6 NO_WERROR=1):
2009-12-27 18:04:05 +00:00
mkinit.c
Fix some typos under bin/
2011-05-22 14:03:46 +00:00
mknodes.c
sh: Fix crash with empty functions (f() { }) introduced in r196483
2009-08-28 22:41:25 +00:00
mksyntax.c
sh: Add $'quoting' (C-style escape sequences).
2011-05-05 20:55:55 +00:00
mktokens
sh: Remove obsolete token type TENDBQUOTE.
2011-05-22 15:24:56 +00:00
myhistedit.h
sh: Pass TERM changes to libedit.
2010-06-02 19:16:58 +00:00
mystring.c
sh: Various warning fixes (from WARNS=6 NO_WERROR=1):
2009-12-27 18:04:05 +00:00
mystring.h
…
nodes.c.pat
In the spirit of r90111, depend on c89 and remove the "STATIC" macro
2010-10-13 22:18:03 +00:00
nodetypes
…
options.c
sh: Improve error message if the script cannot be opened.
2011-06-04 22:19:00 +00:00
options.h
sh: Various warning fixes (from WARNS=6 NO_WERROR=1):
2009-12-27 18:04:05 +00:00
output.c
sh: Use vsnprintf() rather than crafting our own in fmtstr().
2010-12-11 17:47:27 +00:00
output.h
sh: Code size optimizations to buffered output.
2010-11-20 14:14:52 +00:00
parser.c
sh: Do parameter expansion before printing PS4 (set -x).
2011-06-09 23:12:23 +00:00
parser.h
sh: Do parameter expansion before printing PS4 (set -x).
2011-06-09 23:12:23 +00:00
redir.c
sh: Remove special code for shell scripts without magic number.
2011-02-04 22:47:55 +00:00
redir.h
…
sh.1
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
shell.h
sh: Detect dividing the smallest integer by -1.
2011-02-12 23:44:05 +00:00
show.c
In the spirit of r90111, depend on c89 and remove the "STATIC" macro
2010-10-13 22:18:03 +00:00
show.h
sh: Constify various strings.
2009-12-24 18:41:14 +00:00
TOUR
sh: Various updates to the TOUR document.
2011-05-27 16:00:37 +00:00
trap.c
sh: Remove special code for shell scripts without magic number.
2011-02-04 22:47:55 +00:00
trap.h
sh: Make exit without parameters from EXIT trap POSIX-compliant.
2011-01-08 23:08:13 +00:00
var.c
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00
var.h
sh: Save/restore changed variables in optimized command substitution.
2011-06-12 23:06:04 +00:00