Added tiddler load command

rabbithole/core/modules/commands/load.js

@@ -0,0 +1,55 @@
+/*\
+title: $:/core/commands/load.js
+type: application/javascript
+module-type: command
+
+Load tiddlers command
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+"use strict";
+
+exports.info = {
+	name: "load",
+	synchronous: false
+};
+
+var Command = function(params,commander,callback) {
+	this.params = params;
+	this.commander = commander;
+	this.callback = callback;
+};
+
+Command.prototype.execute = function() {
+	var self = this,
+		fs = require("fs"),
+		path = require("path");
+	if(this.params.length < 1) {
+		return "Missing filename";
+	}
+	fs.readFile(this.params[0],"utf8",function(err,data) {
+		if(err) {
+			self.callback(err);
+		} else {
+			var fields = {title: self.params[0]},
+				extname = path.extname(self.params[0]),
+				type = extname === ".html" ? "application/x-tiddlywiki" : extname;
+			var tiddlers = self.commander.wiki.deserializeTiddlers(type,data,fields);
+			if(!tiddlers) {
+				self.callback("No tiddlers found in file \"" + self.params[0] + "\"");
+			} else {
+				for(var t=0; t<tiddlers.length; t++) {
+					self.commander.wiki.addTiddler(new $tw.Tiddler(tiddlers[t]));
+				}
+				self.callback(null);	
+			}
+		}
+	});
+	return null;
+};
+
+exports.Command = Command;
+
+})();