Last active
January 28, 2024 18:33
-
-
Save AriRexouium/425d07d5e651b479069d0d56e4b5fa60 to your computer and use it in GitHub Desktop.
Batch-protecting Files with PAR2 & GPG Shellscript
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env bash | |
# -*- coding: utf-8 -*- | |
set -euo pipefail | |
# Version 2024/01/28 - Changelog: https://gist.github.com/AriRexouium/425d07d5e651b479069d0d56e4b5fa60 | |
# This script provides a wrapper to batch protect your files with PAR2 and GPG. | |
# | |
# Usage: ./batchprotect.sh | |
# | |
# License: | |
# This shell script is based on the example from | |
# https://wiki.archlinux.org/title/Parchive#Batch-protecting_your_files | |
# which is licensed under the GNU Free Documentation License 1.3 or later | |
# For more information, see https://www.gnu.org/licenses/fdl-1.3.html | |
# Colors | |
ES="\x1B" | |
GREEN="$ES[0;32m" | |
NC="$ES[0m" | |
# Internal Field Separator | |
OIFS="${IFS}" | |
IFS=$'\n' | |
# Variables | |
gpgKey="ACE142C15F53182454DEE0802B45FEC5D0B181E7" | |
redundancy=10 | |
list=$(find . -type f | shuf) | |
for file in ${list}; do | |
ending="${file//\(.*\)\.\(.*\)$/\2/}" # Extract the file extension from the filename using sed | |
# Check if the PAR2 file doesn't already exist, the file isn't a PAR2 or signature file, and the file isn't empty | |
if [ ! -e "${file}-${redundancy}p.par2" ] && [ "${ending}" != "par2" ] && [ "${ending}" != "sig" ] && [ "$(stat --format=%s "${file}")" != 0 ]; then | |
echo -e "${GREEN}Creating archive for ${file}.${NC}" | |
par2 c -qq -n1 -r"${redundancy}" "${file}" > /dev/null 2>&1 | tee /dev/tty | |
rm "${file}.par2" | |
mv "${file}.vol"*"par2" "${file}-${redundancy}p.par2" | |
fi | |
# Check if the signature file doesn't already exist and the file isn't a PAR2 or signature file | |
if [ ! -e "${file}.sig" ] && [ "${ending}" != "par2" ] && [ "${ending}" != "sig" ]; then | |
echo -e "${GREEN}Creating signature for ${file}.${NC}" | |
gpg --quiet --default-key "${gpgKey}" --detach-sign --yes "${file}" | |
fi | |
done | |
IFS="${OIFS}" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment