Every day I discover something new. It's very cool and useful to get some skill of programming.

Now, I develop 2 applications, one is a GUI that helps users to set some paramenters, and after that, this app has to open() another app that is a graphic visualizer. I try to open the .app file of the second application using:

With this call I can open the application launch file as a txt, if I appen .app nothing happens.

I am on Ubuntu 10