#!/usr/bin/env python3 import sys TTY = sys.stdout.isatty() write = sys.stdout.write write('\n') if TTY: write('\x1b[') # escape, left-bracket write('1;31m') # bold red write(' '.join(sys.argv[1:])) if TTY: write('\x1b[') # escape, left-bracket write('0m') # reset write('\n')