[bison.git] / config / move-if-change

#!/bin/sh
# Like mv $1 $2, but if the files are the same, just delete $1.
# Status is 0 if $2 is changed, 1 otherwise.
if
test -r $2
then
if
cmp -s $1 $2
then
echo $2 is unchanged
rm -f $1
else
mv -f $1 $2
fi
else
mv -f $1 $2
fi
Commit	Line	Data
d074a105 AD	1	#!/bin/sh
	2	# Like mv $1 $2, but if the files are the same, just delete $1.
	3	# Status is 0 if $2 is changed, 1 otherwise.
	4	if
	5	test -r $2
	6	then
	7	if
	8	cmp -s $1 $2
	9	then
	10	echo $2 is unchanged
	11	rm -f $1
	12	else
	13	mv -f $1 $2
	14	fi
	15	else
	16	mv -f $1 $2
	17	fi