A bash script to take a file of the format [Tag] Name - ## [Resolution].ext
to Name - ##.ext
renameFiles.sh -i <num>,[<num>,<num>,...]
from the folder containing files to rename
A minimum of one number is required.
The last number's value is appended after a -
character, if more than one number is entered.
All of the files in the folder gets split along spaces and periods.
<num>
refers to the index of a word in the split file name.
The extension is automatically re-appended to the name.