a python script for writing furigana in markdown

markdown_furigana.py

import fileinput
import re
import sys
```
eg. [東京]{とうきょう} -> <ruby>東京<rp>（</rp><rt>とうきょう</rt><rp>）</rp></ruby>
```
for line in fileinput.input(sys.argv[1:], inplace=True):
    line = re.sub(r'\[(.*?)\]\{(.*?)\}', r'<ruby>\1<rp>（</rp><rt>\2</rt><rp>）</rp></ruby>', line.rstrip())
    print(line)