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From: Neil Jerram <neil@ossau.uklinux.net>
Newsgroups: gmane.lisp.guile.devel
Subject: Re: Honor `$TMPDIR' in `guile-snarf'
Date: Tue, 12 Feb 2008 20:53:35 +0000
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To: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=)
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Xref: news.gmane.org gmane.lisp.guile.devel:6997
Archived-At: <http://permalink.gmane.org/gmane.lisp.guile.devel/6997>

ludo@gnu.org (Ludovic Court=E8s) writes:

> -tempdir=3D"/tmp/snarf.$$"
> +
> +if [ x"$TMPDIR" =3D x ]; then TMPDIR=3D"/tmp" ; else : ; fi
> +tempdir=3D"$TMPDIR/guile-snarf.$$"

I believe that's equivalent to

tempdir=3D"${TMPDIR:-/tmp}/guile-snarf.$$"

Although install-sh says:

# Don't use :- since 4.3BSD and earlier shells don't like it.

So your version is safer.

Regards,
     Neil