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Message-ID: <8bd0f97a0909131458r8574620pa539876da969eb5f@mail.gmail.com> Date: Sun, 13 Sep 2009 17:58:20 -0400 From: Mike Frysinger <vapier.adi@...il.com> To: Felipe Contreras <felipe.contreras@...il.com> Cc: linux-kernel@...r.kernel.org, Sam Ravnborg <sam@...nborg.org> Subject: Re: [PATCH 2/5] kbuild: fix warning when domainname is not available . On Sun, Sep 13, 2009 at 17:42, Felipe Contreras <felipe.contreras@...il.com> wrote: > On Mon, Sep 14, 2009 at 12:12 AM, Mike Frysinger <vapier.adi@...il.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. -mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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