Thanks, looks obvious once I see it!
I added the ravel to the front to get a simple list.
prefsuf2=: [:,(>@[EMAIL PROTECTED],],>@{:@[)&.>"0 _
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of R.E. Boss
> Sent: Thursday, 30 August 2007 22:21
> To: 'Programming forum'
> Subject: RE: [Jprogramming] prefixing and suffixing
>
> A (>@[EMAIL PROTECTED],],>@{:@[)&.>"0 _ B
> +------+------+-------+
> |pNLB |pLW8 |pFW12 |
> +------+------+-------+
> |gNLBde|gLW8de|gFW12de|
> +------+------+-------+
>
> or
>
> B (>@[EMAIL PROTECTED], (,>@{:))&.>"_ 0 A
> +------+------+-------+
> |pNLB |pLW8 |pFW12 |
> +------+------+-------+
> |gNLBde|gLW8de|gFW12de|
> +------+------+-------+
>
> R.E. Boss
>
>
> > -----Oorspronkelijk bericht-----
> > Van: [EMAIL PROTECTED] [mailto:programming-
> > [EMAIL PROTECTED] Namens Sherlock, Ric
> > Verzonden: donderdag 30 augustus 2007 12:11
> > Aan: Programming forum
> > Onderwerp: [Jprogramming] prefixing and suffixing
> >
> > I'm not referring to the primitives prefix and suffix, but
> to adding a
> > prefix and suffix to string.
> >
> > I came up with the monstrosity that is prefsuf below.
> > I suspect that there are more elegant ways of accomplishing
> the same
> > thing.
> >
> > ]B=: 'NLB';'LW8';'FW12'
> > +---+---+----+
> > |NLB|LW8|FW12|
> > +---+---+----+
> > ]A=: ('p';'');(<'g';'de')
> > +----+------+
> > |+-++|+-+--+|
> > ||p||||g|de||
> > |+-++|+-+--+|
> > +----+------+
> > NB. Watch line wrapping in email on next line.
> > prefsuf=: [: ; [: ; [: ([: {. [ ,&.> ] ,&.> [: {: [)"1
> 0&.>/&.> [:
> > <"1 [ ,/"0 [: < ]
> >
> >
> > A prefsuf B
> > +----+----+-----+------+------+-------+
> > |pNLB|pLW8|pFW12|gNLBde|gLW8de|gFW12de|
> > +----+----+-----+------+------+-------+
> >
> ----------------------------------------------------------------------
> > For information about J forums see
> http://www.jsoftware.com/forums.htm
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm