#!/bin/bash
# PDF Compressor
# Dependencies: ghostscript

[[ -e $1 ]] && gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/prepress -dNOPAUSE -dQUIET -dBATCH -sOutputFile="${1}_compressed.pdf" "$1" && printf "done" || printf "error"