FYI there is a verb boxdraw_j_ in stdlib.
Пн, 19 май 2014, David Lambert писал(а):
> My email system peppers j forum mail with question marks. 40% of the j
> session characters in a recent post came to me as question marks. As has
> been previously mentioned, changing the box drawing characters might help to
> alleviate the problem. Hence I offer this box character toggling verb, which
> I hope we'll use when preparing forum messages. Thank you.
>
> V=:'(9!:7)@:(( 11{.16}.a.)&[^:(''+'' = '
> V=:V,'{.@:(9!:6)@(0&$)))''+++++++++|-'''
>
> bs=: 3 :V NB. niladic box switch
>
> bs'' NB. example use
>
>
> a: [ bs '' NB. demonstrate the effect
> ┌┐
> ││
> └┘
> a: [ bs ''
> ++
> ||
> ++
> a: [ bs ''
> ┌┐
> ││
> └┘
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
--
regards,
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