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

[Keith Roberts]

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

> To: CentOS mailing list <centos at centos.org>
> From: Christopher J. Buckley <chris at 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.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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