Batch extract encrypted .zip files when only the password pattern is known.

batch-extract.sh

#!/usr/bin/env bash

# This script is designed for situations where there is only one file per .zip file.
args=( *.zip )
zip2john "${args[@]}" > hashes.txt
john --format=PKZIP '--mask=?d?d?d?d?d?d' hashes.txt
john --show hashes.txt | head -n -2 | while IFS=':' read -r col1 password filepath zipfile remainder; do
  unzip -oP "$password" -j "$zipfile" "$filepath"
done