Handle bignum N correctly, #'butlast, #'nbutlast. 2010-11-17 Aidan Kehoe <kehoea@parhasard.net> * fns.c (bignum_butlast): New. (Fnbutlast, Fbutlast): Use it. In #'butlast and #'nbutlast, if N is a bignum, we should always return nil. Bug revealed by Paul Dietz' test suite, thank you Paul.

#!/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