The argument i.24 to fmthours may be unnecessary.
In any case, you can generate all hours as: allhours=: , (;:'am pm') (,~":) each/ _1|.1+i.12 Then fmthours is: fmthours=: {&allhours For example; fmthours 4 +---+ |4am| +---+ fmthours i.24 +----+---+---+---+... |12am|1am|2am|3am|... +----+---+---+---+... On Wed, Apr 2, 2014 at 5:12 PM, glts <676c7...@gmail.com> wrote: > fmthours i.24 > > ┌────┬───┬───┬───┬───┬───┬───┬───┬───┬───┬────┬────┬────┬───┬───┬───┬───┬───┬───┬───┬───┬───┬────┬────┐ > > │12am│1am│2am│3am│4am│5am│6am│7am│8am│9am│10am│11am│12pm│1pm│2pm│3pm│4pm│5pm│6pm│7pm│8pm│9pm│10pm│11pm│ > > └────┴───┴───┴───┴───┴───┴───┴───┴───┴───┴────┴────┴────┴───┴───┴───┴───┴───┴───┴───┴───┴───┴────┴────┘ > > Newbie here. With some effort I managed to squeeze the verb 'fmthours' > into a single line, but the result wasn't too pretty. The edge cases > (12am/pm) caused me the most trouble. How would a virtuos@ do it? > > > -- > David > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm