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Redirection failure does not set exit status
From: |
Andreas Schwab |
Subject: |
Redirection failure does not set exit status |
Date: |
Fri, 02 Nov 2007 23:01:20 +0100 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) |
Configuration Information [Automatically generated, do not change]:
Machine: powerpc
OS: linux-gnu
Compiler: gcc -I/usr/src/packages/BUILD/bash-3.2
-L/usr/src/packages/BUILD/bash-3.2/../readline-5.2
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='powerpc'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='powerpc-suse-linux-gnu'
-DCONF_VENDOR='suse' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL
-DHAVE_CONFIG_H -I. -I. -I./include -I./lib -O2 -fmessage-length=0 -Wall
-D_FORTIFY_SOURCE=2 -fstack-protector -g -D_GNU_SOURCE -DRECYCLES_PIDS -Wall
-pipe -g -fPIE -fprofile-use
uname output: Linux igel 2.6.24-rc1 #4 SMP Wed Oct 31 13:12:05 CET 2007 ppc64
ppc64 ppc64 GNU/Linux
Machine Type: powerpc-suse-linux-gnu
Bash Version: 3.2
Patch Level: 25
Release Status: release
Description:
When a compound command other than a subshell group is redirected
and the redirection fails the exit status is not modfied. That
only happens when the command is the first one in a sequential
list.
Repeat-By:
$ touch w; chmod -w w
$ { :; } > w; echo $?
-bash: w: Permission denied
0
$ (exit 100)
$ { :; } > w; echo $?
-bash: w: Permission denied
100
$ :; { :; } > w; echo $?
-bash: w: Permission denied
1
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