Command line arguments in openFrameworks

main.cpp

#include "testApp.h"
#include "ofAppGlutWindow.h"

//--------------------------------------------------------------
int main(int argc, char *argv[]){
    
    ofAppGlutWindow window; // create a window
	// set width, height, mode (OF_WINDOW or OF_FULLSCREEN)
	ofSetupOpenGL(&window, 1024, 768, OF_WINDOW);
    
    testApp *app = new testApp();
    
    app->arguments = vector<string>(argv, argv + argc);
    
	ofRunApp(app); // start the app
    
}

OSX Example

open -n ./emptyExampleDebug.app/ --args 1 2 3 4

testApp.cpp

//--------------------------------------------------------------
void testApp::draw(){
    for (int i=0; i<arguments.size(); ++i){
        ofDrawBitmapString(arguments.at(i), 20.0f, 20.0f*i);
    }
}

testApp.h

#pragma once

#include "ofMain.h"

class testApp : public ofBaseApp{
    public:
		void setup();
		void update();
		void draw();
		
		void keyPressed(int key);
		void keyReleased(int key);
		void mouseMoved(int x, int y);
		void mouseDragged(int x, int y, int button);
		void mousePressed(int x, int y, int button);
		void mouseReleased(int x, int y, int button);
		void windowResized(int w, int h);
		void dragEvent(ofDragInfo dragInfo);
		void gotMessage(ofMessage msg);
    
        vector<string> arguments;
};

Thank you!