Auto update of new commands from redis.io (Dave Hoover)

Run this: node generate_commands.js

To fetch redis.io/commands.json and save it to a file that node_redis will read at startup.

generate_commands.js

@@ -2,38 +2,39 @@ var http = require("http"),
     sys = require("sys"),
     fs = require("fs");
 
-http.get({host: "redis.io", path: "/commands.json"}, function(res) {
-    console.log("Response from redis.io/commands.json: " + res.statusCode);
-  
-    var commandString = "";
-    res.on('data', function(chunk) {
-        commandString += chunk;
-    });
-
-    res.on('end', function() {
-        var commands = JSON.parse(commandString);
-        writeCommandsToFile(commands, "lib/commands.js");
-    })
-}).on('error', function(e) {
-    console.log("Got error: " + e.message);
-});
-
-function writeCommandsToFile(commands, path) {
-    console.log("Writing " + path);
-    
-    var fileContents = "// This file was generated by ./generate_commands.js on " + prettyCurrentTime() + "\n";
-  
-    var lowerCommands = [];
-    for (var command in commands) {
-        lowerCommands.push(command.toLowerCase());
-    }
-  
-    fileContents += "exports.Commands = " + JSON.stringify(lowerCommands, null, "    ") + ";\n";
-    
-    fs.writeFile(path, fileContents);
+function prettyCurrentTime() {
+    var date = new Date();
+    return date.toLocaleString();
 }
 
-function prettyCurrentTime() {
-  var date = new Date();
-  return date.toLocaleString();
-}
+function write_file(commands, path) {
+    var file_contents, out_commands;
+
+    console.log("Writing " + Object.keys(commands).length + " commands to " + path);
+
+    file_contents = "// This file was generated by ./generate_commands.js on " + prettyCurrentTime() + "\n";
+
+    out_commands = Object.keys(commands).map(function (key) {
+        return key.toLowerCase();
+    });
+
+    file_contents += "exports.Commands = " + JSON.stringify(out_commands, null, "    ") + ";\n";
+
+    fs.writeFile(path, file_contents);
+}
+
+http.get({host: "redis.io", path: "/commands.json"}, function (res) {
+    var body = "";
+
+    console.log("Response from redis.io/commands.json: " + res.statusCode);
+
+    res.on('data', function (chunk) {
+        body += chunk;
+    });
+
+    res.on('end', function () {
+        write_file(JSON.parse(body), "lib/commands.js");
+    });
+}).on('error', function (e) {
+    console.log("Error fetching command list from redis.io: " + e.message);
+});