Are these files that need renaming?
You could open the terminal cd to the directory.
for filename in $(ls *.mp4); do
if [[ "$filename" =~ some_file_match*.mp4 ]]; then
modified_filename=<modification code here TBD>
cp $filename $modified_filename && rm $filename -f
fi
done
Are these files that need renaming? You could open the terminal cd to the directory.