mdw@git.distorted.org.uk Git - autoys/blob - misc/catalogue

   1 #! /bin/sh -e
   2
   3 case $# in 0) set -- . ;; esac
   4
   5 parse_vorbis_comment () {
   6   tag=$1
   7
   8   while read value; do
   9   case "$value" in
  10     artist=* | album=* | musicbrainz_albumid=*)
  11       label=${value%%=*}
  12       eval $label=\${value#*=}
  13       eval have_$label=t
  14       ;;
  15   esac
  16   done <<TAG
  17 $tag
  18 TAG
  19 }
  20
  21 find "$@" \( -name '*.flac' -o -name '*.ogg' -o -name '*.mp3' \) -print | \
  22 while read file; do
  23   have_artist=nil
  24   have_album=nil
  25   have_musicbrainz_albumid=nil
  26   case "$file" in
  27     "$skip"/*)
  28       continue
  29       ;;
  30     *.flac)
  31       parse_vorbis_comment "$(
  32         metaflac --list --block-type=VORBIS_COMMENT "$file" |
  33         sed -n '/^.*comment\[[0-9]*\]: /s///p')"
  34       ;;
  35     *.ogg)
  36       parse_vorbis_comment "$(vorbiscomment "$file")"
  37       ;;
  38     *.mp3)
  39       tag="$(id3v2 --list "$file")"
  40       while read fourcc rest; do
  41         rest=${rest#*): }
  42         case "$fourcc,$rest" in
  43           TPE1,*) artist=$rest have_artist=t ;;
  44           TALB,*) album=$rest have_album=t ;;
  45           TXXX,"(MusicBrainz Album Id): "*)
  46             musicbrainz_albumid=${rest#*): }
  47             have_musicbrainz_albumid=t
  48             ;;
  49         esac
  50       done <<TAG
  51 $tag
  52 TAG
  53   esac
  54   case $have_artist,$have_album,$have_musicbrainz_albumid in
  55     t,t,t)
  56       echo "$musicbrainz_albumid $artist | $album"
  57       skip=${file%/*}
  58       ;;
  59   esac
  60 done