#!/usr/bin/python
# Nathan DeBardeleben
# ndebard@parl.clemson.edu
# 8/8/2002
#
# This script takes a collection of files (example: jpgs) in subdirectories
# off of the working directory.  It renames the files XXXXXXXX.ZZZ where
# X... is a monotonically increasing number starting at the initial number.
# These files are MOVED from their original directories and placed in the
# working directory.

import re, os, string, sys

help = "echo */*.jpg | "+sys.argv[0]+" -s <initial_number>"

if len(sys.argv) != 3:
	print help
	sys.exit(0)

init = sys.argv[2]
number = int(init)

for line in sys.stdin.readlines():
	list = string.split(line)
	for word in list:
		loc = string.rfind(word, ".")
		rhs = ""
		if loc != -1:
			rhs = word[loc+1:]
		# this is silly, but simple
		if number < 10:
			lhs = "0000000"+str(number)
		elif number < 100:
			lhs = "000000"+str(number)
		elif number < 1000:
			lhs = "00000"+str(number)
		elif number < 10000:
			lhs = "0000"+str(number)
		elif number < 100000:
			lhs = "000"+str(number)
		elif number < 1000000:
			lhs = "00"+str(number)
		elif number < 10000000:
			lhs = "0"+str(number)
		elif number < 100000000:
			lhs = str(number)
		else:
			print "Cannot handle numbers this big."
			sys.exit(0)
		print "Link: "+word+" to "+lhs+"."+rhs
		number = number + 1
		os.system("ln -s "+word+" "+lhs+"."+rhs)
		#os.link(word, lhs+"."+rhs)
		#os.rename(word, lhs+"."+rhs)