On Mon, 30 May 2011, Christopher J. Buckley wrote:
> To: CentOS mailing list <centos@xxxxxxxxxx>
> From: Christopher J. Buckley <chris@xxxxxxxxxxxxx>
> Subject: Re: 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.html>Quick 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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