#!/usr/bin/python

import os
import time
import datetime
import sys


def handleEntry(entry, p):
    """
    Generate a directory name from a file or directories time
    stamp. Print the shell commands to create this directory and to
    move the file or directory to it.
    """
    t = os.path.getctime(entry)
    dt = datetime.datetime.fromtimestamp(t)
    # maaned-ugenummer
    dest=dt.strftime("%b_week_%W")

    print "mkdir -p \""+p+"/"+dest+"\""
    print "mv \""+entry+"\" \""+p+"/"+dest+"\""

try:
    prefix=sys.argv[1]
    print "# Using prefix:"+prefix
except Exception, e:
    print "A prefix is required."
    exit(0)

for entry in os.listdir("./"):
    if os.path.isdir(entry):
        handleEntry(entry, prefix)
    elif os.path.isfile(entry):
        handleEntry(entry, prefix)
    else:
        print "Unknown:"+entry