#!/bin/sh
#
#  display ruler
#
#  :r! ruler [x]

if [ "$1" = "" ]; then
    echo "----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8"
else
    echo "----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----A----+----B----+----C----+----D----+----E----+----F"
fi
