On 10/27/10 19:38, Paul Eggert wrote:
Ah! Thanks. The light dawns. So my test was too strict. Can people
please try the following test instead? This parenthesizes the ":", so
that the shell need not preserve the stdin fd.
if (ulimit -n 10&& (:)<&-) 2>/dev/null
then echo OK
else echo Houston we have a problem
fi
FWIW running OpenSolaris snv134, it works with bash, zsh and
/usr/has/bin/sh. /bin/sh, /usr/bin/sh (both aliased to ksh93),and
/usr/bin/ksh, all fail. Not cc'd to tar-list since I'm not subscribed.
HTH -- Frank