less through subprocess

gistfile1.txt

  # prepare pager
  less = 'less'
  if IS_WIN:
    with open(ROOT + '\\git.bat') as r:
      for line in r:
        start = line.find('%~dp0')
        if start != -1:
          GIT_DIR = line[start+5:line.find('\cmd')]
          less = ROOT + '\\' + GIT_DIR + '\\usr\\bin\\less'
          break
  less_proc = subprocess2.Popen([less, '-R'], stdin=subprocess2.PIPE)

  # wait for less to exit
  less_proc.stdin.close()
  less_proc.wait()