Use first word of multi word commands

Close redis#363.

Signed-off-by: DTrejo <[email protected]>

README.md

@@ -543,6 +543,15 @@ This will display:
 
 `send command` is data sent into Redis and `on_data` is data received from Redis.
 
+## Multi-word commands
+
+To execute redis multi-word commands like `SCRIPT LOAD` or `CLIENT LIST` pass
+the second word as first parameter:
+
+    client.script('load', 'return 1');
+    client.multi().script('load', 'return 1').exec(...);
+    client.multi([['script', 'load', 'return 1']]).exec(...);
+
 ## client.send_command(command_name, args, callback)
 
 Used internally to send commands to Redis.  For convenience, nearly all commands that are published on the Redis

index.js

@@ -865,7 +865,9 @@ commands = set_union(["get", "set", "setnx", "setex", "append", "strlen", "del",
     "persist", "slaveof", "debug", "config", "subscribe", "unsubscribe", "psubscribe", "punsubscribe", "publish", "watch", "unwatch", "cluster",
     "restore", "migrate", "dump", "object", "client", "eval", "evalsha"], require("./lib/commands"));
 
-commands.forEach(function (command) {
+commands.forEach(function (fullCommand) {
+    var command = fullCommand.split(' ')[0];
+
     RedisClient.prototype[command] = function (args, callback) {
         if (Array.isArray(args) && typeof callback === "function") {
             return this.send_command(command, args, callback);

test.js

@@ -406,6 +406,22 @@ tests.EVAL_1 = function () {
     }
 };
 
+tests.SCRIPT_LOAD = function() {
+    if (server_version_at_least(bclient, [2, 5, 0])) {
+        var name = "SCRIPT_LOAD",
+            command = "return 1",
+            commandSha = crypto.createHash('sha1').update(command).digest('hex');
+
+        bclient.script("load", command, function(err, result) {
+            assert.strictEqual(result.toString(), commandSha);
+            next(name);
+        });
+    } else {
+        console.log("Skipping " + name + " because server version isn't new enough.");
+        next(name);
+    }
+};
+
 tests.WATCH_MULTI = function () {
     var name = 'WATCH_MULTI', multi;