#!/bin/sh
if  [ $# -lt 2 ]
then
	echo " Usage: `basename $0` inputfile outputfile"
	exit
fi
if [ ! -f $1 ]
then
	echo "$1 not exist"
	exit
fi
if [ -f $2 ]
then
                echo File $2 exist
                exit
fi

sed  '
s/^north.*/cellsize 30/
s/^south:/yllcorner/
s/^west:/xllcorner/
s/^rows:/nrows/
s/^cols:/ncols/
/^east/d' $1 > $2