refactor compress-music.sh

remove $tmp
remove source/tmp/destination copy
remove non-opus deletion

compress-music.sh

@@ -6,33 +6,17 @@ set -e
 #
 
 source="$HOME/kskcloud/Musik/"
-tmp="$HOME/Musik.tiny/"
-destination="$HOME/kskcloud/Musik.tiny/"
-placeholder="$destination/a"
-
-rm -rf "$tmp"
-mkdir "$tmp"
+export destination="$HOME/Musik.tiny/"
 
 mkdir -p "$destination"
 
-# create a placeholder to prevent * from failing
-touch "$placeholder"
+cd "$source"
 
-# copy original target files and existing files as cache
-echo 'copying . . .'
-cp -a --reflink=always "$source/"* "$destination/"* "$tmp"
+# create directory structure
+find . -type d -exec mkdir -p "$destination/{}" \;
 
-# compress with opus; +e because ffmpeg errors on .jpg, .txt, etc.
-echo 'compressing . . .'
+# set +e because ffmpeg errors on .jpg, .txt, etc.
+# compress with opus
 set +e
-find "$tmp" -type f -not -name '*.opus' | parallel --eta --progress 'ffmpeg -v 0 -n -i ""{}"" -c:a libopus -map_metadata 0 -b:a 128k ""{.}.opus""'
-set -e
-
-# delete all non-opus files
-echo 'deleting . . .'
-find "$tmp" -type f -not -name '*.opus' -delete
-
-# copy compressed files to target destination
-cp -a --reflink=always "$tmp/"* "$destination"
-
-rm -r "$tmp"
+find . -type f -not -name '*.opus' | parallel --eta --progress 'ffmpeg -v 0 -n -i ""{}"" -c:a libopus -map_metadata 0 -b:a 128k ""$destination/{.}.opus""'
+#set -e