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#!/usr/bin/env dash
# shellcheck source=/dev/null
SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
case "$("$1" | tr '[:upper:]' '[:lower:]')" in
"lyrics")
filter="LYRICS"
directory="lyrics"
;;
"instrumental")
filter="INSTRUMENTAL"
directory="instrumental"
;;
*)
die "Expected 'instrumental|lyrics' but got '$1'"
;;
esac
process() {
mediainfo --Output=JSON "$1" | jq '.media.track | map(.Lyrics) | join("")'
}
mkdir "../$directory"
fd . --extension=opus | while read -r file; do
if [ "$(process "$file")" = '""' ] || [ "$(process "$file")" = '"Instrumental"' ] || [ "$(process "$file")" = '"instrumental"' ]; then
echo "INSTRUMENTAL::$file"
else
echo "LYRICS::$file"
fi
done | grep "$filter" | awk 'BEGIN {FS="::"}{print $2}' | while read -r file; do ln -s "../all/$file" "../$directory/$file"; done
# vim: ft=sh
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