JScript: Find broken iTunes tracks

README.md

JScript to find broken tracks that iTunes can no longer find. Perfect for those who like to manage their large music libraries.

findBrokenITunesTracks.js

var fso, iTunesApp;

/* global WScript, ActiveXObject, Enumerator */
fso       = new ActiveXObject("Scripting.FileSystemObject");
iTunesApp = new ActiveXObject("iTunes.Application");

outputResult(findBrokenTracks());

function findBrokenTracks () {
    var trackKindFile = 1,
        brokenTracks = [],
        tracksEnum,
        track;

    tracksEnum = new Enumerator(iTunesApp.LibraryPlaylist.Tracks);
    while (!tracksEnum.atEnd()) {
        track = tracksEnum.item();

        if (track.Kind == trackKindFile && track.Location === "") {
            brokenTracks.push({
                name: track.Name,
                artist: track.Artist
            });
        }
        tracksEnum.moveNext();
    }
    return brokenTracks;
}

function outputResult (tracks) {
    var numBrokenTracks;

    numBrokenTracks = tracks.length;
    if (numBrokenTracks > 0) {
        writeToFile(tracks);
    }
    displayPopup(numBrokenTracks);
}

function writeToFile (tracks) {
    var currentDir, outputPath, outputFile, track;

    currentDir = fso.GetAbsolutePathName(".");
    outputPath = fso.BuildPath(currentDir, "tracks.txt");
    outputFile = fso.CreateTextFile(outputPath, true, true);

    for (var i=0; i<tracks.length; i++) {
        track = tracks[i];
        outputFile.WriteLine(track.name + " by " + track.artist);
    }
    outputFile.Close();
}

function displayPopup (numBrokenTracks) {
    var message;

    if (numBrokenTracks == 0) {
        message = "No broken tracks were found!";
    }
    else if (numBrokenTracks == 1) {
        message = "There is 1 broken track.";
    }
    else {
        message = "There are " + numBrokenTracks + " broken tracks.";
    }
    WScript.Echo(message);
}