remove password from [a lot of ]pdf files

README.md

• I am using Ubuntu latest

docker run --rm --name pdfs -it -v /pdfs:/pdfs -w /pdfs ubuntu:latest

• Install pdftk

apt-get update
apt-get upgrade
apt-get install pdftk

• you can chose whatever output pattern. More about this, here

for pdf in `ls`;do pdftk $pdf input_pw password output ${pdf:0:10}_WITHOUT_PASSWORD.PDF;done;