[PATCH modular 2/2] Verify existence of command specified by --cmd.

[Gaetan Nadon]

On Fri, 2010-10-22 at 16:08 -0400, Trevor Woerner wrote:

> +       which $cmd1 > /dev/null 2> /dev/null

I am not UNIX head, but it seems '$cmd1 > /dev/null 2>&1' would be a
more popular way to write this.

> 


Reviewed-by: Gaetan Nadon <memsize at videotron.ca>


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