Messages in this thread | | | Date | Mon, 14 Sep 2009 06:46:57 +0200 | From | Sam Ravnborg <> | Subject | Re: [PATCH 2/5] kbuild: fix warning when domainname is not available |
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On Mon, Sep 14, 2009 at 01:04:11AM +0300, Felipe Contreras wrote: > On Mon, Sep 14, 2009 at 12:58 AM, Mike Frysinger <vapier.adi@gmail.com> wrote: > > . > > On Sun, Sep 13, 2009 at 17:42, Felipe Contreras > > <felipe.contreras@gmail.com> wrote: > >> On Mon, Sep 14, 2009 at 12:12 AM, Mike Frysinger <vapier.adi@gmail.com> wrote: > >>> On Sun, Sep 13, 2009 at 15:38, Felipe Contreras wrote: > >>>> + if $domain; then > >>> > >>> is this really correct ? i think you meant to use: > >>> [ -n "$domain" ] > >> > >> What is the difference? > >> > >> $domain unset > >> test -n "" -> false > >> test -> false > >> > >> $domain is a valid string > >> test -n "string" -> true > >> test "string" -> true > > > > except that you didnt invoke `test` anywhere. you're executing the > > contents of $domain. > > Ahh, I'll update it to: > [ "$domain" ]
Please use [ -n "$domain" ]. Be explicit about what you do.
[Likewise in c we never omit "int" just because we can].
Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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