Created
January 22, 2015 02:36
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Tag Dump
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| var fs = require("fs"); | |
| var mm = require("musicmetadata"); | |
| var glob = require("glob"); | |
| if(process.argv.length < 3) { | |
| console.log("node " + process.argv[1] + " /path/to/mp3/files"); | |
| process.exit(1); | |
| } | |
| var lookupPath = process.argv[2]; | |
| var list = glob.sync(lookupPath + "/**/*.mp3"); | |
| console.log("Found " + list.length + " files"); | |
| var AlbumLookup = {}; | |
| var Album = []; | |
| var Song = []; | |
| function parseSong(idx, after) { | |
| var path = list[idx]; | |
| if(typeof path === "undefined") { | |
| after(); | |
| return; | |
| } | |
| var stream = fs.createReadStream(path); | |
| var parser = mm(stream); | |
| parser.on("metadata", function(result) { | |
| var album = result.album; | |
| var title = result.title; | |
| var artist = result.artist[0]; | |
| var track = result.track.no; | |
| var disc = result.disk.no; | |
| var albumId; | |
| if(typeof AlbumLookup[album] === "undefined") { | |
| Album.push(album); | |
| AlbumLookup[album] = Album.length - 1; | |
| } | |
| albumId = AlbumLookup[album]; | |
| Song.push({ | |
| albumId: albumId, | |
| disc: disc, | |
| track: track, | |
| title: title, | |
| artist: artist, | |
| }); | |
| }); | |
| parser.on("done", function(err) { | |
| stream.destroy(); | |
| parseSong(idx + 1, after); | |
| }); | |
| } | |
| parseSong(0, function() { | |
| fs.writeFileSync("Album.json", JSON.stringify(Album, null, 2), { encoding: "utf8" }); | |
| fs.writeFileSync("Song.json", JSON.stringify(Song, null, 2), { encoding: "utf8" }); | |
| console.log("dumped to Album.json, Song.json"); | |
| }); |
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| { | |
| "name": "tagdump", | |
| "version": "1.0.0", | |
| "description": "Tag Dump", | |
| "main": "index.js", | |
| "author": "", | |
| "private": true, | |
| "dependencies": { | |
| "glob": "^4.3.5", | |
| "musicmetadata": "^0.6.3" | |
| } | |
| } |
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