Also notice that monadic and dyad ". has different semantics, eg, compare
results of
". '-3 4'  and  _ ". '-3 4'
". '3,4'  and  _ ". '3,4'

so it depends on how the string are intended to convert.

Птн, 30 Дек 2011, Joey K Tuttle писал(а):
> The dyadic form of ". has some additional advantages. It is considerably 
> faster than (monadic) ". and it is lenient with signs from other 
> environments, e.g.
> 
>     _ ". '1 2 3j4 -6 +7 _8 -3p-2 not-a-number 16b1f '
> 1 2 3j4 _6 7 _8 _0.303964 _ 31
> 
> 
> On 2011/12/30 16:51 , Blake McBride wrote:
> > Greetings,
> >
> > In APL I used to use the execute function to convert a string (like
> > '123.45') into a number 123.45 (after I verified that it was a valid
> > number).  How can I do this in J?
> >
> > Thanks.
> >
> > Blake McBride
> >
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm

-- 
regards,
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