#!/bin/sh
# a4ps2pdf
# Convert A4 PostScript to A4 PDF.
# Modified by sangtian.liu@physics.nyu.edu for NYU Physics Department community
# The same copyright as gs. 

OPTIONS="-r600 -g4958x7017"
while true
do
	case "$1" in
	-*) OPTIONS="$OPTIONS $1" ;;
	*)  break ;;
	esac
	shift
done

if [ $# -lt 1 -o $# -gt 2 ]; then
	echo "Usage: `basename $0` [options...] input.ps [output.pdf]" 1>&2
	exit 1
fi

infile=$1;

if [ $# -eq 1 ]
then
	case "${infile}" in
	  *.ps)		base=`basename ${infile} .ps` ;;
	  *)		base=`basename ${infile}` ;;
	esac
	outfile=${base}.pdf
else
	outfile=$2
fi

# Doing an initial 'save' helps keep fonts from being flushed between pages.
exec gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=$outfile $OPTIONS -c save pop -f $infile