#!/bin/bash
#B.Vandeportaele 2018
OUTPUT_DIR="./pdf/"
OUTPUT_FILENAME=examen_comm_2018

mkdir -p ${OUTPUT_DIR}


#retourne tous les fichiers du dossier courant, car scannés à l'envers

#generate list 
FILE_LIST=""

#https://makandracards.com/makandra/1487-rotate-a-pdf-under-ubuntu-linux
#infile="DOC260318-26032018165829.pdf"
for infile in *.pdf; do
echo $infile
#echo "processing "$infile
pdftk  $infile cat 1-enddown output ${OUTPUT_DIR}$infile

FILE_LIST="${FILE_LIST} ${OUTPUT_DIR}$infile"
done

echo "list of files:" ${FILE_LIST}


#concatenate the files to a single one
gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=${OUTPUT_DIR}${OUTPUT_FILENAME}.pdf -dBATCH ${FILE_LIST}