Re: [CentOS] Getting the return value of the last command run

On Mon, 30 May 2011, Christopher J. Buckley wrote:

To: CentOS mailing list centos@centos.org From: Christopher J. Buckley chris@cjbuckley.net Subject: Re: [CentOS] Getting the return value of the last command run

Have a read up on using return codes in Bash.

http://tldp.org/LDP/abs/html/exit-status.html

http://tldp.org/LDP/abs/html/exit-status.htmlQuick example:

#!/bin/bash

ls foobar

if [ $? -eq 0 ] ; then echo "successful" else echo "not successful" fi

You get the idea..

Cheers, Chris

Excellent Bash tutorial and reference with loads of working examples. I whole-heartedly recommend it and there are different versions such as PDF format under:

http://tldp.org/LDP/abs/

Kind Regards,

Keith Roberts

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