#!/bin/bash usage() { echo "history-cleanup: Remove .*_history files from your home directory" echo "Usage: $0 [COMMAND]" echo "When used without any arguments, the script will assume 'all' was used." echo echo "WARNING: Since this script is written in Bash, there'll be no support" echo "for other shells, considering the best-effort policy, from the" echo "original script author" echo "Available commands:" echo "all Delete any history file found in home directory." echo "bash Delete ~/.bash_history + run history -c" echo "python" exit } if [[ $@ == "" ]]; then usage fi