path: root/usr.bin/chat/unlock

#!/bin/sh

LOCKDIR=/var/spool/lock

case "$1" in
    "")		echo "Usage: unlock lockfile"; exit 1 ;;
    .*)		echo "Usage: unlock lockfile"; exit 1 ;;
esac

if [ -f $LOCKDIR/$1 ]
then
	if [ `wc -c < $LOCKDIR/$1` -eq 4 ]
	then
	    rm -f $LOCKDIR/$1
	    exit 0
	else
	    echo "Usage: unlock lockfile"
	    exit 1
	fi
else
	echo "lockfile" $LOCKDIR/$1 "does not exist"
	exit 1
fi