PDF Fortress

Need pdftk to be installed before using PDF-Fortress // sudo apt-get install pdftk

Sample usage below

#Fortress("encrypt|decrypt", "path/to/folder", "password")

After the recent update, the input should be provided during the runtime.

Sample usage:

Enter the action to be done 'encrypt' for encryption 'decrypt' for decryption: encrypt Enter the absolute/relative path of directory in which the pdf files exists: /home/user/Document/PDF_Folder Enter the password: