diff --git a/.gitignore b/.gitignore
index 84603bb..95ac3a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 node_modules
 dest
+tags
+Session.vim
diff --git a/README.md b/README.md
index bb8a0fd..22aca1e 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,14 @@ This is a helper software for Course Compass, which fetch syllabus data from Was
 
 ```bash
 
-# under construction...
+# 1. Search Gakubu you want to fetch
+node app searchGakubu 基幹理工
+
+#    Or list all Gakubu(s)
+node app listGakubu
+
+# 2. Get Page ID(pid)s to get clas details
+node app fetchGakubu ???? > dest/g_????.txt
 
 ```
 
diff --git a/app.js b/app.js
new file mode 100644
index 0000000..5557428
--- /dev/null
+++ b/app.js
@@ -0,0 +1,23 @@
+let gakubu = require('./lib/gakubu');
+
+if (process.argv[2] == "searchGakubu" && process.argv[3]) {
+	let list = gakubu.search(process.argv[3]);
+	for (let item of list) {
+		console.log(item);
+	}
+} else if (process.argv[2] == "listGakubu") {
+	let list = gakubu.search(null);
+	for (let item of list) {
+		console.log(item);
+	}
+} else if (process.argv[2] == "fetchGakubu" && process.argv[3]) {
+	if (!gakubu.getPageIDList(process.argv[3], function(data){
+		for (let record of data) console.log(record);
+	})) {
+		process.stderr.write("error: gakubu not found\n");
+	}
+} else {
+	console.log("node app searchGakubu <keyword>");
+	console.log("node app listGakubu");
+	console.log("node app fetchGakubu <gid>");
+}
diff --git a/get_id.js b/get_id.js
deleted file mode 100644
index e2d2b4c..0000000
--- a/get_id.js
+++ /dev/null
@@ -1,116 +0,0 @@
-var request = require('request');
-var fs = require('fs');
-
-function findData(m0, mp, me, env){
-	var s, t;
-	env.p = env.text.indexOf(m0, env.p + 1) + m0.length - 1;
-	env.p = env.text.indexOf(mp, env.p + 1);
-	s = env.p + mp.length;
-	env.p = env.text.indexOf(me, env.p + 1);
-	t = env.p;
-	return env.text.substring(s, t);
-}
-
-var opt = {
-	uri: 'https://www.wsl.waseda.jp/syllabus/JAA101.php',
-	form: {
-		"p_number": "50",
-		"p_page": "1",
-		"p_gakubu": "9S2013",
-		"pClsOpnSts": "123",
-		"ControllerParameters": "JAA103SubCon",
-		"pLng": "jp",
-	},
-	json: true
-};
-
-/*
-772 <option label="政経" value="111973">政経</option>
-773 <option label="法学" value="121973">法学</option>
-774 <option label="一文" value="132002">一文</option>
-775 <option label="二文" value="142002">二文</option>
-776 <option label="教育" value="151949">教育</option>
-777 <option label="商学" value="161973">商学</option>
-778 <option label="理工" value="171968">理工</option>
-779 <option label="社学" value="181966">社学</option>
-780 <option label="人科" value="192000">人科</option>
-781 <option label="スポーツ" value="202003">スポーツ</option>
-782 <option label="国際教養" value="212004">国際教養</option>
-783 <option label="文構" value="232006">文構</option>
-784 <option label="文" value="242006">文</option>
-785 <option label="人通" value="252003">人通</option>
-786 <option label="基幹" value="262006">基幹</option>
-787 <option label="創造" value="272006">創造</option>
-788 <option label="先進" value="282006">先進</option>
-789 <option label="政研" value="311951">政研</option>
-790 <option label="経研" value="321951">経研</option>
-791 <option label="法研" value="331951">法研</option>
-792 <option label="文研" value="342002">文研</option>
-793 <option label="商研" value="351951">商研</option>
-794 <option label="教研" value="371990">教研</option>
-795 <option label="人研" value="381991">人研</option>
-796 <option label="社学研" value="391994">社学研</option>
-797 <option label="アジア研" value="402003">アジア研</option>
-798 <option label="国情研" value="422000">国情研</option>
-799 <option label="日研" value="432001">日研</option>
-800 <option label="情シス研" value="442003">情シス研</option>
-801 <option label="公共研" value="452003">公共研</option>
-802 <option label="ファイナンス研" value="462004">ファイナンス研</option>
-803 <option label="法務研" value="472004">法務研</option>
-804 <option label="会計研" value="482005">会計研</option>
-805 <option label="スポーツ研" value="502005">スポーツ研</option>
-806 <option label="基幹研" value="512006">基幹研</option>
-807 <option label="創造研" value="522006">創造研</option>
-808 <option label="先進研" value="532006">先進研</option>
-809 <option label="環エネ研" value="542006">環エネ研</option>
-810 <option label="教職研" value="552007">教職研</option>
-811 <option label="国際コミ研" value="562012">国際コミ研</option>
-812 <option label="経管研" value="572015">経管研</option>
-813 <option label="芸術" value="712001">芸術</option>
-814 <option label="日本語" value="922006">日本語</option>
-815 <option label="留学" value="982007">留学</option>
-816 <option label="グローバル" value="9S2013">グローバル</option>
-*/
-
-var idList = new Array();
-
-function getPage(page){
-	opt.form["p_page"] = "" + page;
-	console.log(page);
-	request.post(opt, function(error, res, body){
-		if (!error && res.statusCode == 200) {
-			console.log("200 OK");
-			var env = new Object();
-			var endp;
-			var cList = new Array();
-			var id;
-			env.text = body;
-			env.p = 0;
-			if(env.text.indexOf("ch-message") != -1){
-				console.log("Out of Pages.");
-				console.log(JSON.stringify(idList, "", "    "));
-				fs.writeFile('2016_id_' + opt.form["p_gakubu"] + ".json", JSON.stringify(idList, "", "  "));
-				return;
-			}
-			env.p = env.text.indexOf("block_main_start", env.p + 1);
-			env.p = env.text.indexOf("</tr>", env.p + 1);
-			endp = env.text.indexOf("</table>", env.p + 1);
-			for(;;){
-				env.p = env.text.indexOf("<tr>", env.p + 1) + 1;
-				if(env.p == 0 || env.p > endp){
-					break;
-				}
-				findData("<td", ">", "<", env);
-				findData("<td", ">", "<", env);
-				id = findData("<td", ", '", "')", env);
-				//console.log(id);
-				idList.push(id);
-			}
-			getPage(page + 1);
-		} else {
-			console.log('error: '+ res.statusCode);
-			return;
-		}
-	});
-}
-getPage(1);
diff --git a/lib/gakubu.js b/lib/gakubu.js
new file mode 100644
index 0000000..40508f7
--- /dev/null
+++ b/lib/gakubu.js
@@ -0,0 +1,141 @@
+;(function(exports, require){
+	"use strict";
+
+	var request = require('request');
+	var fs = require('fs');
+
+	function findData(m0, mp, me, env){
+		var s, t;
+		env.p = env.text.indexOf(m0, env.p + 1) + m0.length - 1;
+		env.p = env.text.indexOf(mp, env.p + 1);
+		s = env.p + mp.length;
+		env.p = env.text.indexOf(me, env.p + 1);
+		t = env.p;
+		return env.text.substring(s, t);
+	}
+
+	let gakubuList = [
+		["政治経済学部", "政経", "111973"],
+		["法学部", "法学", "121973"],
+		["第一文学部", "一文", "132002"],
+		["第二文学部", "二文", "142002"],
+		["教育学部", "教育", "151949"],
+		["商学部", "商学", "161973"],
+		["理工学部", "理工", "171968"],
+		["社会科学部", "社学", "181966"],
+		["人間科学部", "人科", "192000"],
+		["スポーツ科学部", "スポーツ", "202003"],
+		["国際教養学部", "国際教養", "212004"],
+		["文化構想学部", "文構", "232006"],
+		["文学部", "文", "242006"],
+		["人間科学部eスクール", "人通", "252003"],
+		["基幹理工学部", "基幹", "262006"],
+		["創造理工学部", "創造", "272006"],
+		["先進理工学部", "先進", "282006"],
+		["政治学研究科", "政研", "311951"],
+		["経済学研究科", "経研", "321951"],
+		["法学研究科", "法研", "331951"],
+		["文学研究科", "文研", "342002"],
+		["商学研究科", "商研", "351951"],
+		["教育学研究科", "教研", "371990"],
+		["人間科学研究科", "人研", "381991"],
+		["社会科学研究科", "社学研", "391994"],
+		["アジア太平洋研究科", "アジア研", "402003"],
+		["国際情報通信研究科", "国情研", "422000"],
+		["日本語教育研究科", "日研", "432001"],
+		["情報生産システム研究科", "情シス研", "442003"],
+		["公共経営研究科", "公共研", "452003"],
+		["ファイナンス研究科", "ファイナンス研", "462004"],
+		["法務研究科", "法科大学院", "法務研", "472004"],
+		["会計研究科", "会計大学院", "会計研", "482005"],
+		["スポーツ科学研究科", "スポーツ研", "502005"],
+		["基幹理工学研究科", "基幹研", "512006"],
+		["創造理工学研究科", "創造研", "522006"],
+		["先進理工学研究科", "先進研", "532006"],
+		["環境・エネルギー研究科", "環エネ研", "542006"],
+		["教職研究科", "教職大学院", "教職研", "552007"],
+		["国際コミュニケーション研究科", "国際コミ研", "562012"],
+		["経営管理研究科", "ビジネススクール", "経管研", "572015"],
+		["芸術学校", "芸術", "712001"],
+		["日本語教育研究センター", "日本語", "922006"],
+		["留学センター", "留学", "982007"],
+		["グローバルエデュケーションセンター", "グローバル", "9S2013"]
+	];
+
+	var idList = new Array();
+
+	function getPage(page, pidList, gid, callback){
+		let opt = {
+			uri: 'https://www.wsl.waseda.jp/syllabus/JAA101.php',
+			form: {
+				"p_number": "50",
+				"p_page": "" + page,
+				"p_gakubu": gid,
+				"pClsOpnSts": "123",
+				"ControllerParameters": "JAA103SubCon",
+				"pLng": "jp",
+			},
+			json: true
+		};
+		request.post(opt, function(error, res, body){
+			process.stderr.write("Fetching page " + page + "...");
+			if (!error && res.statusCode == 200) {
+				process.stderr.write("  200 OK.\n");
+				var env = { text: body, p: 0 };
+				if(env.text.indexOf("ch-message") != -1){
+				process.stderr.write("All page is fetched.\n");
+					callback(pidList);
+					return;
+				}
+				env.p = env.text.indexOf("block_main_start", env.p + 1);
+				env.p = env.text.indexOf("</tr>", env.p + 1);
+				let endp = env.text.indexOf("</table>", env.p + 1);
+				for(;;){
+					env.p = env.text.indexOf("<tr>", env.p + 1) + 1;
+					if(env.p == 0 || env.p > endp){
+						break;
+					}
+					findData("<td", ">", "<", env);
+					findData("<td", ">", "<", env);
+					let id = findData("<td", ", '", "')", env);
+					pidList.push(id);
+				}
+				getPage(page + 1, pidList, gid, callback);
+			} else {
+				process.stderr.write("  " + res.statusCode + " ERROR\n");
+				callback(pidList);
+				return;
+			}
+		});
+	}
+
+	exports.search = function(word) {
+		let list = [];
+		for (let record of gakubuList) {
+			for (let col of record) {
+				if (!word || word.indexOf(col) != -1 || col.indexOf(word) != -1) {
+					list.push({
+						"name": record[0],
+						"id": record[record.length - 1]
+					});
+					break;
+				}
+			}
+		}
+		return list;
+	};
+
+	exports.getPageIDList = function(id, callback) {
+		let isAvailableId = false;
+		for (let record of gakubuList) {
+			if (record[record.length - 1] == id) isAvailableId = true;
+		}
+		if (isAvailableId) getPage(1, [], id, callback);
+		return isAvailableId;
+	};
+
+	exports.createPageUrl = function(pid) {
+		return "https://www.wsl.waseda.jp/syllabus/JAA104.php?pKey=" + pid + "&pLng=jp";
+
+	}
+})(exports, require);
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..713cdde
--- /dev/null
+++ b/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "coursecompass-fetch",
+  "version": "1.0.0",
+  "description": "Syllabus fetching software for Course Compass",
+  "main": "main.js",
+  "scripts": {
+    "test": "node main"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/yasuo-ozu/coursecompass-fetch.git"
+  },
+  "author": "Yasuo Ozu <yasuo@ozu.email>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/yasuo-ozu/coursecompass-fetch/issues"
+  },
+  "homepage": "https://github.com/yasuo-ozu/coursecompass-fetch#readme",
+  "dependencies": {
+    "fs": "0.0.1-security",
+    "request": "^2.81.0"
+  }
+}