#!/bin/sh
-sudo /etc/init.d/postgresql-7.4 stop
-sudo /etc/init.d/postgresql-8.0 stop
-sudo /etc/init.d/postgresql-8.1 stop
-sudo /etc/init.d/postgresql-8.2 stop
-sudo /etc/init.d/postgresql-8.3 stop
-sudo killall pg_autovacuum postmaster postgres
-sudo rm -rf /etc/postgresql /var/lib/postgresql/ /var/log/postgresql/ /tmp/postgresql-testsuite/ /var/run/postgresql/*
+[ `id -u` = 0 ] || SUDO=sudo
+for v in 7.4 8.0 8.1 8.2 8.3; do
+ i=/etc/init.d/postgresql-$v
+ [ -x $i ] && $i stop
+done
+$SUDO killall pg_autovacuum postmaster postgres
+$SUDO rm -rf /etc/postgresql /var/lib/postgresql/ /var/log/postgresql/ /tmp/postgresql-testsuite/ /var/run/postgresql/*