#!/bin/bash

set -e

cd shell-fm

for file in *.mp3 ; do 
        if ( id3v2 -l "$file" | grep -iq ': No ID3 tag$' ) ; then

                echo $file
                artist=${file%% - *}
                title=${file##* - }
                title=${title%.mp3}
                echo " - artist: $artist"
                echo " - title:  $title"
        
                id3v2 --artist "$artist" --song "$title" "$file"
        fi
done