Thank you very much. However, it seems to me that the example you sent is supposed to be used in Chimera's command line, right?

I was actually looking for a command I could issue from a shell command line, e.g. from bash, to create the list of hbonds without the need to start the GUI.

Is there a way to do that?

(More precisely, I want to use this command in a pipeline, using KNIME command line node to call it, and then treat the output in sequence.)

Thanks,