Convert FLAC to MP#

flac2mp3

#!/usr/bin/env bash

# convert flac to mp3
# source: @Jake Plimack/@boehj https://apple.stackexchange.com/a/293421
# usage:
#   find <dir> -name '*flac' -print0 | xargs -0 -P8 -n1 flac2mp3

for f in "$@"; do
  [[ "$f" != *.flac ]] && continue
  album="$(metaflac --show-tag=album "$f" | sed 's/[^=]*=//')"
  artist="$(metaflac --show-tag=artist "$f" | sed 's/[^=]*=//')"
  date="$(metaflac --show-tag=date "$f" | sed 's/[^=]*=//')"
  title="$(metaflac --show-tag=title "$f" | sed 's/[^=]*=//')"
  year="$(metaflac --show-tag=date "$f" | sed 's/[^=]*=//')"
  genre="$(metaflac --show-tag=genre "$f" | sed 's/[^=]*=//')"
  tracknumber="$(metaflac --show-tag=tracknumber "$f" | sed 's/[^=]*=//')"

  flac --decode --stdout "$f" \
         | lame --preset extreme \
                --add-id3v2 \
                --tt "$title" \
                --ta "$artist" \
                --tl "$album" \
                --ty "$year" \
                --tn "$tracknumber" \
                --tg "$genre" \
                - "${f%.flac}.mp3"
done