#this script allows to cut out matrix fields
# written by Markus Neteler 21.July 1998
#            neteler@geog.uni-hannover.de

if test "$1" = ""; then
     echo "This tool displays a field out of a ASCII Matrix."
     echo "Usage: file xpos ypos"
     exit
fi
cat $1 | tail -7| cut -f $2 -d ' ' |head -$3 |tail -1