#!/usr/bin/env bash # Restore the real history file after running book examples # Check for a backup file if [ -f ~/.bash_history.backup ]; then # Rename the backukp file as the current file mv ~/.bash_history.backup ~/.bash_history # Clear the example history history -c # Reload the history from the restored file history -r echo -e "\e[1;36mThe original history has been restored\e[0m" else echo -e "\e[1;33mThere is no backup history to restore\e[0m" fi