[xemacs-hg @ 2005-12-18 17:58:50 by stephent] Substitute '_' for '-' in default variable names. <87psnu5mfs.fsf@tleepslib.sk.tsukuba.ac.jp>

#!/bin/sh
if
test -r $2
then
if
cmp $1 $2 > /dev/null
then
echo $2 is unchanged
rm -f $1
else
mv -f $1 $2
fi
else
mv -f $1 $2
fi