Opens a file, which can be either a sound file or a Kwave script. If no file name is passed, then a dialog window will be opened that allows to select an existing file. Depending on the GUI mode the file will be opened in the context of a new sub-window (MDI and tab) or in a new main window (SDI, if there was already something loaded).

close()

Practically the same as the command open(), but intended to be used internally for the list of recently opened files in the menu File+Open Recent. In this command the parameter filename is not optional.

open()