flac2mp3: fix metadata not actually being copied (because it's piping through a wav)

flac2mp3.sh

@@ -1,15 +1,13 @@
 fail() {
    echo "failed to process $f, exiting"
-   rm "$wav"
    exit 1
 }
 for f in ./*.flac
 do
-   wav="$(basename "$f" .flac).wav"
-   flac -s -d "$f"
-   if (( $? )); then fail; fi
-   lame --quiet -V0 "$wav"
-   if (( $? )); then fail; fi
+   ffmpeg -i "$f" -q:a 0 -vn "$(basename "$f" .flac).mp3"
+   (( $? )) && fail
    echo "$f success"
-   rm "$f" "$wav"
 done
+
+read -ep "success. delete files? [yn] " YN
+[[ ${YN,,} == y* ]] && rm ./*.flac