Little script that renames all files in the script's current directory to a base string and file type.

batchFileRenamer

import msvcrt
import os
import sys
import string
 
currentDirectory = os.path.split(sys.argv[0])[0]
 
fileNames = [ f for f in os.listdir(currentDirectory) if os.path.isfile(os.path.join(currentDirectory,f)) ]
 
# Don't include the script
numFiles = len(fileNames) - 1

# Don't change the names of these files
skip = ["Thumbs.db"]

baseName = raw_input("Base File Name: ")
baseType = raw_input("Base File Type: ")

# Skip a line (for looks)
print

'''
Get new names from baseName and baseTypes
'''
fileNum = 0
newFileNames = {}
for fileName in fileNames:
    # If current file ends in py or is exempt, rename itself (ie. unchanged)
    if fileName[-2:] == 'py' or fileName in skip:
        print "Skipped: " + fileName
        newFileNames[fileName] = fileName
        continue
    
    fileNum += 1
    
    terminate = None
    # Check if baseType includes period, include if it doesn't
    if "." in baseType:
        terminate = baseType
    else:
        terminate = "." + baseType

    # Append together current file's name
    newFileName = baseName + " " + str(fileNum) + terminate
    
    # Done
    newFileNames[fileName] = newFileName
    print
    print "OLD: " + fileName 
    print "NEW: " + newFileName

# Finish
print "\nProceed? y/n: "
ver = msvcrt.getch().lower()

if ver == 'y':
    for fileName in fileNames:
        rename(fileName, newFileNames[fileName])
elif ver == 'n':
    exit