On Wed, 24 Aug 2005 [EMAIL PROTECTED] wrote:
Configuration Information [Automatically generated, do not change]: Machine: i586 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i586' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i586-mandrake-linux-gnu' -DCONF_VENDOR='mandrake' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I.. -I../include -I../lib -D_GNU_SOURCE -O2 -fomit-frame-pointer -pipe -march=i586 -mtune=pentiumpro uname output: Linux block.ices.utexas.edu 2.6.11-6mdk #1 Tue Mar 22 16:04:32 CET 2005 i686 AMD Athlon(TM) XP 2200+ unknown GNU/Linux Machine Type: i586-mandrake-linux-gnu Bash Version: 3.0 Patch Level: 16 Release Status: release Description: I am not sure if this is a bug, or if this is correct behavior. consider: false | true echo $? 0 If a command in a pipeline of commands fails, there appears to be no way of knowing this. One alternate behavior to consider is to return the exit status of the first command in the pipeline to exit with non zero status.
The return codes are stored in the PIPESTATUS array: $ false | true | false | true $ printf "%s\n" "[EMAIL PROTECTED]" 1 0 1 0 -- Chris F.A. Johnson <http://cfaj.freeshell.org> ================================================================== Shell Scripting Recipes: A Problem-Solution Approach, 2005, Apress <http://www.torfree.net/~chris/books/cfaj/ssr.html> _______________________________________________ Bug-bash mailing list Bug-bash@gnu.org http://lists.gnu.org/mailman/listinfo/bug-bash