if su -s /bin/sh postgres -c "/usr/bin/psql template1" 1> $tmp1 2> $tmp2 <<EOF \
&& [ "$(tail -n +2 $tmp1 | head -1)" = 'CREATE DATABASE' ] ;
SET LC_MESSAGES = 'C' ;
-CREATE DATABASE $db_name WITH ENCODING 'UNICODE' ;
+CREATE DATABASE $db_name WITH ENCODING 'UNICODE';
EOF
then
# Creation OK