New method launchApplicationAtPath:arguments:

src/JSTalk.m

@@ -436,6 +436,41 @@ + (id)application:(NSString*)app {
     return [self applicationOnPort:[NSString stringWithFormat:@"%@.JSTalk", bundleId]];
 }
 
++ (id)launchApplicationAtPath:(NSString*)appPath arguments:(NSArray*)arguments
+{
+
+    NSBundle *appBundle = [NSBundle bundleWithPath:appPath];
+    NSString *bundleId  = [appBundle bundleIdentifier];
+
+    // make sure it's running
+	NSArray *runningApps = [[[NSWorkspace sharedWorkspace] launchedApplications] valueForKey:@"NSApplicationBundleIdentifier"];
+
+	if ([runningApps containsObject:bundleId]) {
+        NSLog(@"App with same bundleID was already running");
+        return [NSNumber numberWithBool:NO];
+    }
+
+    NSURL *appURL = [NSURL fileURLWithPath:appPath];
+    NSDictionary *configuration = nil;
+    NSError *error;
+
+    if (arguments) {
+        configuration = [NSDictionary dictionaryWithObjectsAndKeys:arguments, NSWorkspaceLaunchConfigurationArguments,
+                         nil];
+    }
+
+    BOOL launched = [[NSWorkspace sharedWorkspace] launchApplicationAtURL:appURL
+                                                                  options:NSWorkspaceLaunchWithoutActivation | NSWorkspaceLaunchAsync
+                                                            configuration:configuration
+                                                                    error:&error];
+    if (!launched) {
+        NSLog(@"Could not open up %@", appPath);
+        return 0x00;
+    }
+
+    return [self applicationOnPort:[NSString stringWithFormat:@"%@.JSTalk", bundleId]];
+}
+
 + (id)app:(NSString*)app {
     return [self application:app];
 }