Hi everyone!
I realy need some help on this topic.
I know how tó open a file based on a name.
But now I ám strugling to manage the follow ing.


I would like to open a file, when the filename includes either "cp4" or "gt4"

Then I have tó open a file, if the filename doesnt include "ghl"

I could realy use some help and I would realy apprechiate it.

Thanks in advance!