an "echo" question

Dear R People:

Here is an unusual question:  if you are using "source", it just
prints the output.  If you use source with "echo", you get both
commands and output.  Is there a way just to show the commands,
please?

Thanks,
Erin

?cat
---------------------------------------------------------------------------
Jeff Newmiller                        The     .....       .....  Go Live...
DCN:<jdnewmil at dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
---------------------------------------------------------------------------
Sent from my phone. Please excuse my brevity.

Erin Hodgess <erinm.hodgess at gmail.com> wrote:

Dear R People:

Here is an unusual question:  if you are using "source", it just
prints the output.  If you use source with "echo", you get both
commands and output.  Is there a way just to show the commands,
please?

Thanks,
Erin