using correct files now

split_tracks

@@ -16,9 +16,9 @@ function make_drum() {
 
   echo sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
   sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
-  echo sox -m "${no_drums[@]}" "$quiet_drums" "$mixed_wav"
+  echo sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
-  sox -m "${no_drums[@]}" "$quiet_drums" "$mixed_wav"
+  sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
-  rm -r "$quiet_drums"
+  rm "$quiet_drums"
   echo opusenc --comp 10 --downmix-stereo \
       --title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
       --album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
@@ -30,6 +30,22 @@ function make_drum() {
   rm "$mixed_wav"
 }
 
+function make_drumonly() {
+  mkdir -p "${dest_dir['drums only']}"
+  echo echo dest dir: ${dest_dir['drums only']}
+  echo drum track: "$drum_track"
+  # final_opus="$(sed 's/\.wav$/.opus/' <<< "$drum_track")"
+  final_opus="${dest_dir['drums only']}/$(sed 's/\.flac$/.opus/' <<< "$file_name")"
+  echo opusenc --comp 10 --downmix-stereo \
+      --title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
+      --album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
+      --date "'${tags[DATE]}'" "'$drum_track'" "'$final_opus'"
+  opusenc --comp 10 --downmix-stereo \
+      --title "${tags[TITLE]}" --artist "${tags[ARTIST]}" \
+      --album "${tags[ALBUM]}" --tracknumber "${tags[TRACKNUMBER]}" \
+      --date "${tags[DATE]}" "$drum_track" "$final_opus"
+}
+
 function make_karaoke() {
   mkdir -p "${dest_dir[karaoke]}"
   quiet_vocals="${actual_work_dir}/quiet vocals.wav"
@@ -38,8 +54,9 @@ function make_karaoke() {
   final_opus="$(sed 's/\.wav$/.opus/' <<< "$mixed_wav")"
   echo sox -v "$volume_reduction_factor" "$vocal_track" "$quiet_vocals"
   sox -v "$volume_reduction_factor" "$vocal_track" "$quiet_vocals"
-  sox -m "${karaoke}" "$quiet_vocals" "$mixed_wav"
+  echo sox -m "${karaoke[@]}" "$quiet_vocals" "$mixed_wav"
-  rm -r "$quiet_vocals"
+  sox -m "${karaoke[@]}" "$quiet_vocals" "$mixed_wav"
+  rm "$quiet_vocals"
   echo opusenc --comp 10 --downmix-stereo \
       --title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
       --album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
@@ -51,17 +68,19 @@ function make_karaoke() {
   rm "$mixed_wav"
 }
 
-volume_reduction_factor='0.3'
+volume_reduction_factor='0.2'
 src_library="${HOME}/flac"
 work_dir="${HOME}/split"
 actual_work_dir="${work_dir}/htdemucs_ft"
 
-type -P 'demucs' || (
+type -P 'demucs' &>/dev/null || (
   printf 'No demucs in path.\nInstall with `pip install demucs` or something.\n\n' >&2
   exit 1
 )
 
 find "$src_library" -type f -name '*.flac' | while read -r file; do
+  # if find "$work_dir" -type f &>/dev/null; then rm -rf "${work_dir}"/*; fi
+  file='/home/luket/flac/Red Hot Chili Peppers/1991-09-24 Blood Sugar Sex Magik/07 Mellowship Slinky In B Major.flac'
   echo $file
   # file is full original path + filename
   src_dir="$(dirname "$file")"
@@ -70,9 +89,17 @@ find "$src_library" -type f -name '*.flac' | while read -r file; do
   unset dest_dir
 
   declare -A tags
+  echo tag time
   while read -r line; do
+    echo line: $line
     tag_type="$(cut -d= -f1 <<< "$line")"
     tag_val="$(cut -d= -f2- <<< "$line")"
+    [[ "$tag_type" == 'ReleaseDate' ]] && tag_type='DATE'
+    [[ "$tag_type" == 'Year' ]] && tag_type='YEAR'
+    [[ "$tag_type" == 'Artist' ]] && tag_type='ARTIST'
+    [[ "$tag_type" == 'Title' ]] && tag_type='TITLE'
+    [[ "$tag_type" == 'Tracknumber' ]] && tag_type='TRACKNUMBER'
+    [[ "$tag_type" == 'Album' ]] && tag_type='ALBUM'
     tags[$tag_type]="$tag_val"
   done < <(metaflac --list --block-type=VORBIS_COMMENT "$file" | grep 'comment\[' | cut -d: -f2- | sed 's/^ //')
 
@@ -80,7 +107,7 @@ find "$src_library" -type f -name '*.flac' | while read -r file; do
   ensure=( TRACKNUMBER TITLE DATE ALBUM ARTIST )
   for tag_type in "${ensure[@]}"; do
     if [[ -z "${tags[$tag_type]}" ]]; then
-      $tags[$tag_type]="missing $tag_type"
+      tags[$tag_type]="missing $tag_type"
     fi
   done
 
@@ -99,15 +126,12 @@ find "$src_library" -type f -name '*.flac' | while read -r file; do
   for file in "${files[@]}"; do
     echo file: "$file"
     if ! grep -Eq 'drums\.wav$' <<< "$file"; then
-      echo no drums.wav
       nodrums+=("$file") 
     else
-      echo yes drums.wav
       drum_track="$file"
     fi
 
     if ! grep -Eq 'vocals\.wav$' <<< "$file"; then
-      echo no vocal
       karaoke+=("$file")
     else
       vocal_track="$file"
@@ -121,6 +145,7 @@ find "$src_library" -type f -name '*.flac' | while read -r file; do
     printf 'No drum track. Will not create a drum practice file.\n'
   else
     make_drum
+    make_drumonly
   fi
   for i in "${karaoke[@]}"; do
     printf 'Karaoke practice: %s\n' "$i"