#!/bin/sh
#
# Invokes grid and converts the output to PDF
#

usage ()
{
    grid
    exit 1
}

while getopts ":x:y:s:i:t:c:l" c
do
    case "$c" in
    x)      ;;
    y)      ;;
    s)      ;;
    i)      ;;
    t)      ;;
    c)      ;;
    l)      ;;
    :|'?')  usage;;
    esac
done
if [ $OPTIND -gt $# ]; then usage; fi

eval pdf=\"\${$OPTIND%.*}.pdf\"
grid "$@" | ps2pdf - >"$pdf"
.