#!/bin/sh
# Filter for converting "troff -mxx" to PostScript.  This script is
# normally linked to the names man2ps, ms2ps, me2ps, and mm2ps.
#
# Usage:
#	man2ps [<] cc.1   >cc.ps
#	me2ps  [<] foo.me >foo.ps
#	mm2ps  [<] foo.mm >foo.ps
#	ms2ps  [<] foo.ms >foo.ps
#
# [08-May-1993]

# Choose a troff format according to the scrip name.
case `basename $0` in
	man*)	FORMAT=-man ;;
	me*)	FORMAT=-me ;;
	mm*)	FORMAT=-mm ;;
	ms*)	FORMAT=-ms ;;
	*)	echo "Unknown troff format:" ; exit 1 ;;
esac

# We can use either GNU groff or Sun Solaris troff + dpost
TROFF=
which groff > /dev/null && {
	# GNU groff
	TROFF="groff $FORMAT"
	TROFF2PS="cat"
}

if [ -z "$TROFF" ]
then
	which dpost > /dev/null && {
		# Solaris 2.1
		TROFF="troff $FORMAT"
		TROFF2PS="/usr/lib/lp/postscript/dpost"
	}
fi

if [ -z "$TROFF" ]
then
	echo "Cannot find troff-to-PostScript filter" >&2
	exit 1
fi

tbl $* | eqn | $TROFF | $TROFF2PS