1 # Copyright 2012 Svenne Krap
3 # this script renumbers files in the format nnnn_XXXXXXX.sql ,
4 # where nnnn is a series of digits (0-9) and XXXX is any string
6 # first parameter is the first number to renumber
7 # second paramter is the amount to renumber it (negatives work too)
8 # third parameter decides between dry-run (0) and actual doing work (1)
15 print "Renumber.py, Svenne Krap 2012"
17 print "renumber.py <first-renumber> <rename-offset> <do-actual-work>"
20 renumber_from = int(sys.argv[1])
21 renumber_amount = int(sys.argv[2])
22 doit = int(sys.argv[3])
25 files = os.listdir('.')
27 if renumber_amount > 0: files.reverse()
30 if not file.endswith(".sql"): continue
31 if file.find("_") == -1: continue
32 numstr = file.split("_")[0]
35 if numint < renumber_from: continue
36 newname = file.replace(numstr + "_", (("%0" + str(digits) + "i") % (numint + renumber_amount)) + "_" )
38 os.rename(file,newname)
40 print file, "=>", newname