Another question Re: Print (or export to a spreadsheet) all the information displayed when Finder is looking at a folder (OS X 10.13 High Sierra)

I forgot to ask.  Can I add something to your now-working line
stat -f '%SN,%SB,%Sm' * > file_times.txt
to reformat date and time?  Either within the -f format description or piping it to something else?
On the internet I found this, supposedly to simply reformat date and time, for everything, during a session:
set timefmt "%Y-%m-%d %H:%M:%S"
But it doesn't seem to be working either.  I execute it, then do "date" or "ls -l" or whatever ... and the date and time are still displayed in the same format as ever.
Thanks in advance.
--
Dudley Brooks, Artistic Director
Run For Your Life! ... it's a dance company!
San Francisco