rename.py [-p "path/to/dir/contains/files"] [-f "FILTER"] [-n "name_prefix|start_number|name_suffix"] [-e "new_extension"]
-p "c:/my_files"
-f "*" - all files (default)
-f "*.txt" - all ".txt" files
-f "*[0-9]*" - all files contains numbers
-f "abc*.txt" - all ".txt" files starting with "abc"
-f ... and more regular expression patterns
-n "my_new_|00100|_file"
-n "file |9|"
-n "|001|-image"
-e "xxx"
rename.py -p "c:/my_files" -f "*.txt" -n "new_name_|010|_file" -e "doc"
new_name_010_file.doc
new_name_011_file.doc
new_name_012_file.doc
new_name_0.._file.doc