Display the functions provided by Sherpa.
Unlike the other
list_xxxcommands, this does not return an array. Instead it acts like the
show_xxxfamily of commands.
outfile (str, optional) – If not given the results are displayed to the screen, otherwise it is taken to be the name of the file to write the results to.
clobber (bool, optional) – If outfile is not
None, then this flag controls whether an existing file can be overwritten (
True) or if it raises an exception (
False, the default setting).
sherpa.utils.err.IOErr – If outfile already exists and clobber is