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Re: subshell vs. su and +e
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From: |
Andreas Schwab |
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Subject: |
Re: subshell vs. su and +e |
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Date: |
Sat, 21 Jul 2007 10:12:13 +0200 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) |
"BuraphaLinux Server" <buraphalinuxserver@gmail.com> writes:
> su -p nobody -s /sbin/bash << EOF
> export HOME=/tmp
> # turn off error crashing and turn on tracing
> set +e -x
> # begin the non-root stuff here
> cd /tmp/mindy
> shazbot is not a valid command
> if ((${?}!=0)) # <--- ${?} is zero here not 127 ?????
The variable is already substituted while the here-document is read.
Either quote the dollar sign, or use a quoted here-document.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."