qpdf bash script to remove PDF passwords

password.txt

--password=THISISTHEPDFPASSWORD

pdf-decrypt.sh

#!/bin/bash

# Use QPDF to remove the encryption on PDFs in with a password
# The script creates a decrypted copy of all PDFs in directory: decrypted.FILENAME.pdf

# 1. Requires a file called password.txt in the same location as the command
# with the following contents <<
# --password=THISISTHEPDFPASSWORD

# 2. Requires qpdf (brew install qpdf on macos) 

shopt -s nullglob
for f in *.pdf
do
	echo "Removing password for pdf file - $f"
      qpdf --decrypt @password.txt "$f" "decrypted.$f"
done