qpdf wrapper for easy pdf decryption

pdf-remove-pw.sh

#!/bin/bash

input="$1"
output="_decrypted_$input"

if [[ $# != 2 ]] || [[ ! -f "$input" ]]; then
        echo "Syntax: $(basename $0) INPUTFILE.PDF PASSWORD"
        exit 1
fi

echo "Removing password..."
qpdf --password="$2" --decrypt "$input" "$output"

# something went wrong, eg. wrong password!
[[ ! -f "$output" ]] && exit 1

# switcheroo!
rm "$input"
mv "$output" "$input"
echo "Done!"