This widget implements a graphical "more" command. It allows the
user to view a text file. There are various possible ways to
specify the contents to display: loading the data from a file (by
providing a filename) or by loading it from an open file data
stream or from the output of a Unix command.
Gnome.Less()->show_string("Example string\nshown in this\nwidget")
Gnome.Less()->show_file("/usr/dict/words" );
Gnome.Less()->show_command( "psrinfo -v" )