#!/bin/bash # Set the current year as a variable current_year=$(date +"%Y") # Find all files in the sys/ directory and its subdirectories find . -type f -print0 | while read -d $'\0' file do # Replace the old copyright notice with the new one sed -i "s/\(Copyright (c) \)2023-[0-9]\{4\}\(.*\)/\12023-${current_year}\2/g" "${file}" done