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From: | Alfred M. Szmidt |
Subject: | Re: expr exit status |
Date: | Tue, 19 Jan 2010 02:37:13 -0500 |
What are all the exit statuses I need to check just after expr command? Is it only need to check 1 or 2 or 3 for fail condition and zero for success ?else pease specify You only need to check for non-zero exit codes for failure.
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