Fix and improve option parsing. Add copyright header.

1 files changed, 50 insertions, 8 deletions

diff --git a/localpdf2pdfscreen b/localpdf2pdfscreen
index 9f5fc0d..3d2095d 100755
--- a/localpdf2pdfscreen
+++ b/localpdf2pdfscreen
@@ -1,12 +1,26 @@
 #!/bin/sh
+#
+# /usr/local/bin/localpdf2pdfscreen
+# Copyright 2008 Jonas Smedegaard <dr@jones.dk>
+#
+# $Id: localpdf2pdfscreen,v 1.2 2008-03-17 12:53:04 jonas Exp $
+#
+# Downsize PDF file.
+#
+# TODO: Use *_lowres.pdf as default outfile
+#
 
 set -e
 
-PRG="$0"
+PRG="$(basename "$0")"
+
+# Default options
+PDFTOPSOPTS="-paper match"
+PS2PDFOPTS="-dPDFSETTINGS=/screen"
 
 showhelp() {
 	cat <<EOF
-Usage:   $PRG INFILE [ OUTFILE ]
+Usage:   $PRG INFILE [ OUTFILE ] [ pdftops opts ] [ -- ps2pdf opts ]
 
 If missing, OUTFILE is INFILE.pdf (ie. double pdf extension).
 
@@ -21,11 +35,35 @@ exit1() {
 	exit 1
 }
 
-if [ $# -eq 0 ]; then
-	showhelp
-	exit1 "Not enough parameters"
-fi
+[ $# -gt 0 ] || exit1 "Input file missing"
+
+pdftopsopts=
+pstopdfopts=
+while [ $# -gt 0 ]; do
+	case $1 in
+		-h|--help)
+			showhelp
+			exit 0
+			;;
+		--)
+			shift
+			break
+			;;
+		-*)
+			pdftopsopts="$pdftopsopts $1"
+			shift
+			;;
+		*)
+			pools="$pools $1"
+			shift
+			;;
+	esac
+done
+ps2pdfopts="$@"
 
+# Use default options if none provided
+[ -n "pdftopsopts" ] || pdftopsopts="$PDFTOPSOPTS"
+[ -n "ps2pdfopts" ] || ps2pdfopts="$PS2PDFOPTS"
 
 infile="$1"
 tmpfile=$(mktemp -t "$PRG.XXXXXXXXXX") || exit 1
@@ -33,5 +71,9 @@ outfile="${2:-$infile.pdf}"
 
 [ ! -e "$outfile" ] || exit1 "Output file already exists"
 
-pdftops -paper match "$infile" "$tmpfile"
-ps2pdf -dPDFSETTINGS=/screen "$tmpfile" "$outfile"
+pdftops $pdftopsopts "$infile" "$tmpfile"
+ps2pdf $ps2pdfopts "$tmpfile" "$outfile"
+
+rm "$tmpfile"
+
+exit 0