Date: Mon, 06 Mar 2000 20:38:44 +0000 From: Ian Dowse <iedowse@maths.tcd.ie> To: Warner Losh <imp@village.org> Cc: chet@po.CWRU.Edu, jhix@mindspring.com, Doug@gorean.org, hackers@FreeBSD.ORG, iedowse@maths.tcd.ie Subject: Re: empty lists in for Message-ID: <200003062038.aa62975@salmon.maths.tcd.ie> In-Reply-To: Your message of "Mon, 06 Mar 2000 13:15:45 MST." <200003062015.NAA61215@harmony.village.org>
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In message <200003062015.NAA61215@harmony.village.org>, Warner Losh writes:
>: to
>:
>: sh_subdirs=${SUBDIRS}; for f in $$sh_subdirs ; do ...
>
>there's lots of other workarounds, from seeing if SUBDIRS is defined,
>to using make's .foreach.
Another option is:
for f in $$empty_list ${SUBDIRS}; do ...
where 'empty_list' is any undefined sh variable.
Ian
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