File set_squid_7.latest.sh of Package dba-squid-72

#!/bin/bash
#set -x
v=`ls -1d 7.? 7.?? 2>/dev/null|cut -d "." -f2 |sort -n |tail -1`
i=`ls -l 7.latest.bak* 2>/dev/null|wc -l`
test -L 7.latest && mv 7.latest 7.latest.bak.${i}
rc=`ln -fs 7.${v} 7.latest`
exit $rc