Simple example of renaming some files with Python script
#!c:/Python26/python.exe -u import os path = "testflvs/tfcache" newnames = ["00461211", "00461210", "00461209", "00461208", "00461207", "00461206", "00461205", "00461204", "00461203", "00461202", "00461201", "00461200"] i = 0 print (path) tree = os.walk(path) for (path, dirs, file) in tree: for filename in file: print (filename) print (newnames[i]) os.rename(os.path.join(path, filename), os.path.join(path, newnames[i]+".flv")) i+=1