Re: shell game

[Herbert Xu <herbert@gondor.apana.org.au>]

Michael Heironimus <mkh01@earthlink.net> wrote:
> 
> There is a way that looks slightly better, but it's still ugly because
> it relies on bash-specific options. Something like this should do it.
> 
> #! /bin/bash
> # Make globs that don't match expand to null string
> shopt -s nullglob
> if [ -n "$(echo /path/to/*.jpg)" ] ; then
>        # Do stuff because .jpg files exist
> fi

Here's how you can do it in a POSIX shell:

set -- /path/to/*.jpg
if [ -e "$1" ]; then
	# Do stuff because .jpg files exist
fi
-- 
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Email:  Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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