#! /usr/bin/env python# script.py -- Make typescript of terminal session.# Usage:#       -a      Append to typescript.#       -p      Use Python as shell.# Author: Steen Lumholt.  import os, time, sysimport pty def read(fd):    data = os.read(fd, 1024)    file.write(data)    return data shell = 'sh'filename = 'typescript'mode = 'w'if os.environ.has_key('SHELL'):    shell = os.environ['SHELL']if '-a' in sys.argv:    mode = 'a'if '-p' in sys.argv:    shell = 'python' file = open(filename, mode) sys.stdout.write('Script started, file is %s\n' % filename)file.write('Script started on %s\n' % time.ctime(time.time()))pty.spawn(shell, read)file.write('Script done on %s\n' % time.ctime(time.time()))sys.stdout.write('Script done, file is %s\n' % filename)