rename-all.py

# run instructions : python rename_all.py folder_path start_file_prefix
# ex: python rename_all.py /home/xxx/Pictures/my_collection "Garden-"
# output will be "Garden-1.png, Garden-2.png" etc..
import sys
import os

# input arguments folder_path & rename prefix
args = sys.argv

# folder path which files are contains
folder_path = args[1]

# rename prefix
rename_prefix = args[2]

# file names list
file_names = []

# preprocess variables
if folder_path[-1] != "/":
	folder_path += "/"

# search for the files
for dir_path, sub_dir_list, file_list in os.walk(folder_path):
	for fname in file_list:
		# add file path to list for sorting purpose
		file_names.append(fname)

# sort all the file names
file_names.sort()

# rename all
enum = 0
for f in file_names:
	enum += 1

	# organize the new name with the file extension
	new_name = rename_prefix + str(enum) + f[f.index("."):]
	
	# orgabnize the file name with full paths
	old_file_name = folder_path + f
	new_file_name = folder_path + new_name

	#rename the file
	os.rename(old_file_name, new_file_name)

print "----- RENAME PROCESS IS DONE !! ----"
print "+++ THANKS FOR USING THIS RENAME APP +++"
print ">>>> author @noelyahan <<<<