Date: Wed, 10 May 2000 12:20:08 -0400 (EDT) From: Matthew Emmerton <matt@skippyii.compar.com> To: keramida@ceid.upatras.gr Cc: freebsd-questions@freebsd.org Subject: Re: Problem with pipes and ps Message-ID: <Pine.BSF.4.10.10005101219190.59323-100000@skippyii.compar.com> In-Reply-To: <20000510144144.19510.qmail@zenon.ceid.upatras.gr>
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On Wed, 10 May 2000 keramida@ceid.upatras.gr wrote:
> On Wed, May 10, 2000 at 09:51:41AM -0400, Matthew Emmerton wrote:
> >
> > I've got this shell program (part of a home-made sysadmin package):
> >
> > #!/bin/sh
> > PING_PROG="/bin/ps -ax | /usr/bin/grep apache"
> > ${PING_PROG}
> >
> > My thought is that this should run the command(s) contained in PING_PROG.
> > However, this is the output I get:
>
> Try using this:
>
> #!/bin/sh
> PING_PROG="ps -ax | grep apache"
> eval "${PING_PROG}"
>
> Then the commands that result from the expansion of PING_PROG will
> be executed by your shell.
>
> - giorgos keramidas
Of course! I feel *so* stupid. It works, I'm happy, and forever
indebted :)
--
Matthew Emmerton
IT Specialist
Computer Partners
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