#!/bin/sh

if [ $# -gt 2 -o $# -lt 1 ]; then echo "Usage: size onefile";exit 1;fi

LIMIT=100
width=`file $1 | awk ' { print $5 } ' | sed 's/,$//'`
height=`file $1 | awk ' { print $7 } ' | sed 's/,$//'`

while [ $height -gt $LIMIT ]; do 
  height=$[$height/2]
  width=$[$width/2]
done
echo $height $width