Rename markdown files exported from Roam to YYYY-MM-DD format for logseq

roam-to-logseq

import os
import re

date_re = re.compile("(\w+) (\d+)(rd|th|st|nd), 2021.md")
month_to_number = {
    'January': "01",
    'February': "02",
    'March': "03",
    'April': "04",
    'May': "05",
    'June': "06",
    'July': "07",
    'August': "08",
    'September': "09",
    'October': "10",
    'November': "11",
    'December': "12"}

for root, dirs, files in os.walk("./"):
    for filename in files:
        if filename.endswith(".md"):
            new_filename = filename
            m = date_re.match(filename)
            if m:
                new_filename = "2021-" + \
                    month_to_number[m.group(1)] + "-" + \
                    m.group(2).rjust(2, "0") + ".md"

                os.rename(os.path.join(root, filename),
                          os.path.join(root, new_filename))

            # new_contents = re.sub(
            #     "(202\d)(\d\d)(\d\d)", "\g<1>-\g<2>-\g<3>", contents)
            # if new_contents != contents or new_filename != filename:
            #     print(filename + " => " + new_filename)
            #     print(new_contents)