#!/bin/bash

ext=$1
out=$2

if [ -z "$ext" ] ; then
    echo "img2pdf (png,jpg,tiff,...) (output)"
    exit
fi
if [ -z "$out" ] ; then
    out=$(basename `pwd`).pdf
fi

for img in $( echo `ls -v | egrep \."$ext"$` ) ; do
    echo Traitement de "$img"
    img2pdf --output "${img//$ext/pdf}" "$img"
done;

if [ -e "$out" ] ; then
    echo "Gestion backup"
    set -x
    rm "$out"
    set +x
fi

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile="$out" `ls -v | egrep \.pdf$`

for img in *."$ext" ; do
    rm "${img//$ext/pdf}"
done;