File set_postgresql_14.latest.sh of Package dba-postgresql-1419

#!/bin/bash
#set -x
v=`ls -1d 14.? 14.?? 2>/dev/null|cut -d "." -f2 |sort -n |tail -1`
i=`ls -l 14.latest.bak* 2>/dev/null|wc -l`
test -L 14.latest && mv 14.latest 14.latest.bak${i}
rc=`ln -fs 14.${v} 14.latest`
exit $rc