fsalehpour

# Reduce the size of a PDF file
# https://askubuntu.com/a/256449/112818
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output_reduced.pdf input.pdf

# Convert a PDF to grayscale colour
# https://superuser.com/a/164857/989263
gs \
 -sOutputFile=output_gray.pdf \
 -sDEVICE=pdfwrite \
 -sColorConversionStrategy=Gray \

fsalehpour

#!/bin/bash

dir=$(pwd)

(cd $1
mkdir -p output

for i in * 
do
    output="output/$(echo $i | sed 's/\..*$/\.mp4/')"