Works like a charm.
Thank you all.
On Tue, 2005-12-27 at 14:44 +0100, John Doe wrote:
> Alon Marx am Dienstag, 27. Dezember 2005 14.30:
> > Seems like a good solution for my needs, but how do I use it in a perl
> > program instead of an inline command?
> >
> > For example, if I try to set a variable with such a value:
> > $a = (1<<$Config{ivsize}*8-1)-1;
> >
> > I get an error "Global symbol "%Config" requires explicit package name
> > at"
>
> You have to import the Config module with
>
> use Config;
>
> Adriano imported it in the cmd line with
>
> -MConfig
>
> hth, joe
>
>
> [top posting history:]
> > Thanks,
> > Alon
> >
> > On Tue, 2005-12-27 at 10:51 -0200, Adriano Ferreira wrote:
> > > On 12/27/05, Alon Marx <[EMAIL PROTECTED]> wrote:
> > > > Is there a constant or a definition for a maximum number in perl? And
> > > > the same question for a minimum value?
> > >
> > > This may work for you
> > >
> > > the biggest unsigned integer
> > >
> > > $ perl -e 'print ~0'
> > > 18446744073709551615 # 64-bit integers
> > >
> > > the maximum signed integer
> > >
> > > $ perl -MConfig -e 'print( (1<<$Config{ivsize}*8-1)-1 )'
> > > 9223372036854775807
> > >
> > > the minimum signed integer
> > >
> > > $ perl -MConfig -e 'print -(1<<$Config{ivsize}*8-1)'
> > > -9223372036854775808
> > >
> > > I am not sure how general these expressions are. The illustrated
> > > values are for 64bit integers.
> > >
> > > Adriano.
>
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>
