rom folder to playlist - RetroPie PSX

rom-playlist.sh

#!/bin/bash
# Take a folder with a structure like:
#   File (Disc 1).bin
#   File (Disc 1).cue
#   File (Disc 2).bin
#   File (Disc 2).cue
#   ...
# and rename the .cue files to .CD# and then create a .m3u
# suitable to RetroPie
for i in *.cue; do 
  newfile=$(echo $i | sed -e 's/\(.\)..cue/\1\).CD\1/');
  echo "$newfile"; mv "$i" "$newfile";
  playlist=$(echo $i | sed -e 's/\s*[(]Disc.*/.m3u/');
  echo $playlist; echo "$newfile" >> "$playlist";
done