markdown previewer

mdpreview.py

#!/usr/bin/env python

""" .vimrc: autocmd BufEnter *.md exe 'noremap <F5> :!mdpreview.py %<CR>' """

import subprocess, sys, tempfile

with tempfile.NamedTemporaryFile(suffix=".html", delete=False) as mdhtml:
    subprocess.check_call(["pandoc", "--to=html", "--from=markdown", "-o", mdhtml.name, sys.argv[1]])
    # webbrowser.open_new_tab ... chrome howto?
    subprocess.check_call(["open", "-a", "Google Chrome", mdhtml.name])