This is a shell script that can be used to encrypt a file or decrypt an encrypted file just by command line.
This script uses GPG to perform encryption and decryption of the file.

GPG or GnuPG, stands for GNU Privacy Guard. GPG is a dufferent implementation of the Open PGP standard and a strong alternative to symantec's official PGP software.
GPG is an open source standard.

The usage of this script is pretty simple, just follow the below setps.

1. First of all clone this repository to your local machine using this command.

   git clone https://github.com/rahulMishra05/file_encrypter_decrypter.git

2. Now once you successfully cloned the repository now change your working directory and go to the project directory.

   cd file_encrypter_decrypter

3. Now we are almost there, to run this use this command.

   ./encrypt.sh

   This is the main shell script contaning all the encryption and decryption functionalities
4. You will get an option to that what you want to do encrypt a file or decrypt a file, just choose according to your need.
5. After choosing what you want to do, then enter the file name (if present in same directory) or enter the path of the file.

And that's it your file is encrypted/decrypted

If you want to see setp-by-step guide to make this script, then you can read it here, or the same blog on other platforms like Dev.to, Hashnode.