>if [ -x /usr/xpg4/bin/sh -a "$_" != /usr/xpg4/bin/sh ]; then
>         exec /usr/xpg4/bin/sh $0 $*

Certainly you will need:

>         exec /usr/xpg4/bin/sh $0 "$@"

But you can't test on $_ in shell scripts.


Casper
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