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- To: MLUG Members <EMAIL:PROTECTED>
- Subject: [MLUG] basic Unix pipe/exit code problem
- From: Mark Rages <EMAIL:PROTECTED>
- Date: Thu, 3 Mar 2005 12:24:49 -0600
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- Reply-to: Mark Rages <EMAIL:PROTECTED>, MLUG Members<EMAIL:PROTECTED>
- Sender: EMAIL:PROTECTED
hey everybody,
I have a backup script that uses mysqldump | gzip in a subshell. I
check the return code of the subshell, but mysqldump can croak without
the subshell returning a nonzero error code.
I have reduced my problem to this:
( /bin/false | gzip > /dev/null ) || echo fail
I want it to echo "fail" because /bin/false gives a nonzero exit code.
But it doesn't. What am I missing?
Regards,
Mark
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