#!/bin/bash

# ruler
# (CC) 2008 Ken Chasse, math at sizone dott org
#
# program to aid counting character positions
#  on any size terminal

width=`stty size | cut -d " " -f2`

tens=$[width / 10]

for i in `seq 1 $tens`; do
  echo -n "123456789 "
done

extra=$[$width - $tens * 10]

for i in `seq 1 $extra`; do
  j=$[$j+1]
  echo -n $j
done

echo
for i in `seq 1 $tens`; do
 echo -n "         $[$i-$i/10*10]";
done
echo