Simple music files importer for Apple macOS new Music.app

add-music.js

#!/usr/bin/osascript -l JavaScript

function run(argv) {
    const music = Application("Music");
    for ( const file of argv ) {
        console.log(`add: "${file}"`);
        music.add(file);
    }
}

import-music.sh

#!/bin/bash
set -eu

MUSIC_PATH_RE=".*\.(m4a|m4p)$"
MUSIC_ADD_CMD=add-music.js
declare DEBUG

function main {
    dir=${1:-}
    if [ ! -d "$dir" ] ; then
        echo "1st argument is required as directory that (descent) contains music files."
        echo "Usage: $0 DIRECTORY_MUSIC_CONTAINS"
        exit 1
    fi
    shift
    local STDIN_MUSIC_ADD_CMD
    if [ -n "$DEBUG" ] ; then
        echo "DEBUG MODE, DUMP ONLY"
        STDIN_MUSIC_ADD_CMD="perl -0lnE say"
    else
        STDIN_MUSIC_ADD_CMD="xargs -0 $MUSIC_ADD_CMD"
    fi
    find -E "$dir" -type f -iregex "$MUSIC_PATH_RE" \
        | perl -pe 's{^(?!/)}{$ENV{PWD}/}' \
        | perl -pe 's/\n/\x00/' \
        | $STDIN_MUSIC_ADD_CMD
        #| xargs -0 $MUSIC_ADD_CMD
}

main "$@"