J base library contains a verb stderr which is 1!:2&5
you can try

empty@stderr '.'

Mon, 27 Jan 2020, jprogramming написал(а):
> 27.01.2020 5:00, Julian Fondren:
> >    #! /usr/bin/env ijconsole
> >    dot =: 3 : '''.'' 1!:3 <''/proc/self/fd/1'''
> >    hardwork =: 3 : 0
> >      n =. 0
> >      for_i. i.100 do.
> >        dot''
> >        n =. n + 2 | !!8x
> >      end.
> >      n
> >    )
> >    echo hardwork''
> >    exit 0
> 
> Great! Thank you!
> I slightly modified your function:
> 
> print =: 3 : 'y 1!:3 <''/proc/self/fd/1'''
> 
> Is there any difference in using 1!: 2 and 1!: 3 for the screen?
> I have not found.
> 
> Sergey.
> ----------------------------------------------------------------------
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