Date: Fri, 23 May 2008 17:35:23 +0200 (CEST) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-questions@FreeBSD.ORG, pauls@utdallas.edu Subject: Re: Shell scripting - suppressing and eliminating error messages Message-ID: <200805231535.m4NFZNu2024533@lurza.secnetix.de> In-Reply-To: <A4CB71AD0CF555F6A68D3B27@utd65257.utdallas.edu>
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Paul Schmehl wrote:
> --On Tuesday, May 20, 2008 17:36:26 -0500 Paul Schmehl <pauls@utdallas.edu>
> wrote:
> > if ( ${BATCH} ); then
> > [...]
> > 1: not found
>
> Never mind....forgot to use [ ] for test instead of ( ).
If the value of $BATCH is always either 0 and 1, a neat
trick is to define two shell functions:
0() { false; }
1() { true; }
Then you can savely write:
if ( $BATCH ); then
Or even:
if $BATCH; then
Best regards
Oliver
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