Technically, I think they do want the : back in and I think they also want fixed width formatting (leading zeros on month and day where necessary).
I ignored that part, and focused on a workalike for the original T. Thanks, -- Raul On Mon, Mar 13, 2017 at 8:43 PM, 'Mike Day' via Chat <[email protected]> wrote: > This saves a space or two in F - I haven't tested it exhaustively, but > > I _think_ it applies over the given domain: > > F=:86400%~(3#60)&#. > > I don't see how you can avoid converting the string to numeric > before applying F, so adding a couple of characters back in! > > T=:F inv :: ([:F@". 2 5}~&' ') > > T '02:57:46' > > 0.123449 > > > I'm not sure what they want to do about rounding, and do > > they want the ":" put back in? > > T 0.05816 > > 1 23 45.024 > > > Bedtime for me! > > > Mike > > > On 13/03/2017 17:18, Raul Miller wrote: >> >> This might be shorter: >> >> F=:86400%~24 60 60#.] >> T=:F inv ::([:F 2 5}~&' ') >> >> T'12:00:00' >> 0.5 >> T 0.5 >> 12 0 0 >> T '12:00:00' >> 0.5 >> T 0.5 >> 12 0 0 >> T '12:34:56' >> 0.524259 >> T 0.524259 >> 12 34 55.9776 >> >> I hope this helps, >> > > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
