Sort a crapload of JPEG files from lectures into folders by date

sort-jpegs.py

from glob import glob
import os

# Extract the date (YYYY-MM-DD) part of the filename
def get_date(filename):
    return filename.split(' ')[0]

# Obtain a list of all .jpg files in the current dir
# File format: "YYYY-MM-DD HH.mm.ss.jpg"
files = glob('*.jpg')

# Obtain all the dates we should create folders for
folders = set(map(get_date, files))

# Create all relevant date folders
map(os.mkdir, folders)

# Move all JPEGs to their respective date folders
map(lambda fname: os.rename(fname, "%s/%s" % (get_date(fname), fname), files)