unknown sub command: help

usage:
  tir-pukiwiki parse   [file|-]
  tir-pukiwiki unparse [--pipe PIPE] [file|-]
  tir-pukiwiki --version

Options:
  --pipe PIPE   Replacement for '|' in table cells during unparse (default: '｜')

If file is omitted or '-', parse reads from stdin.
If file is omitted or '-', unparse writes to stdout.

