compress_pdf.sh

#!/bin/sh
# Unites and compress pdf
# Usage compress_pdf.sh file1.pdf file2.pdf output_file.pdf

last_arg=${*: -1:1}

last_arg_temp="${last_arg}_temp.pdf"
args_except_last=${@:1:$#-1}

echo "Creating pdf $last_arg"
pdfunite "$@"
 

echo "Compressing pdf $last_arg using ps"
pdf2ps "${last_arg}" "${last_arg}.ps"
ps2pdf "${last_arg}.ps" "${last_arg}"
rm "${last_arg}.ps"

#echo "Compressing pdf $last_arg with gs" -- todo: make this and options, lossy compression
#gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile="$last_arg_temp" "$last_arg"
#rm "$last_arg"
#mv "$last_arg_temp" "$last_arg"

echo "Finished"