Re: trap() help

[Karim BELABAS <Karim.Belabas@math.u-psud.fr>]

On Fri, 22 Nov 2002, Igor Schein wrote:
> \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
> ? ??trap
> trap({e}, {rec}, {seq}):
>
>    tries  to execute seq,  trapping error e,  that is effectively preventing it
> from  aborting  computations  in  the usual way;   the recovery sequence rec is
> executed  if  the  error occurs and the evaluation of rec becomes the result of
> the command.   If e is omitted, all exceptions are trapped.  Note in particular
> that  hitting ^C  (Control-C)  raises an exception.   See Section  (??)  for an
> introduction to error recovery under GP.
> \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
>
> questions:
>
> 1) Which section should I see (note ?? above)

Cross-referencing is not available when parsing directly the manual (no .aux)
so gphelp simply prints [??] for all cross references...

> 2) I wanna trap all pari errors, but at the same time I don't wanna
> trap ^C.  Is it possible?

No. Type ^C^D (= interrupt + EOF).

    Karim.
-- 
Karim Belabas                    Tel: (+33) (0)1 69 15 57 48
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Université Paris-Sud             Email: Karim.Belabas@math.u-psud.fr
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