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From: Zefram <zefram@dcs.warwick.ac.uk>
To: olsenc@ichips.intel.com (Clint Olsen)
Cc: zsh-workers@math.gatech.edu
Subject: Re: Wildcards in path question
Date: Tue, 11 Feb 1997 16:11:58 +0000 (GMT)	[thread overview]
Message-ID: <20587.199702111612@stone.dcs.warwick.ac.uk> (raw)
In-Reply-To: <19970210172745.55371@dtthp169.jf.intel.com> from "Clint Olsen" at Feb 10, 97 05:27:45 pm

Clint Olsen wrote:
>Thanks for your help getting wildcards in my path.  I was wondering how I
>might be able to use them so that they are added to my path iff they
>existed.  We have a very heterogenous environment here and certain
>directories (like /opt) exist on some of the machines.  Otherwise, the
>non-existence causes the expansion to barf out.  I'd rather it fail
>silently somehow to allow the sourcing of my environment to continue.

The NULL_GLOB option causes glob patterns that don't match anything to
expand to nothing, rather than causing an error.  This can be turned on
for a single glob pattern by using the (N) modifier:

path=( "$path[@]" /opt/*/bin(N) )

-zefram


      reply	other threads:[~1997-02-11 16:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-02-11  1:27 Clint Olsen
1997-02-11 16:11 ` Zefram [this message]

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