[vox-tech] perl never ceases to amaze me

[Peter Jay Salzman]

aha, yeah.

with "use warnings" (it complains but still does the right thing):

   p@satan% ./try 
   Misplaced _ in number at ./try line 3.
   315159254

without "use warnings":

   p@satan% ./try 
   315159254

i still feel like perl is wet and wild, so i turn on as many newbie
alertings as possible.   :)

pete



begin Jay Strauss <me@heyjay.com> 
> It works on non-3 groups (pardon my M$)
> 
> C:\>type tmp.pl
>    my $number = 3_151_592_65;
>    print $number += 1000, "\n";
> 
> 
> C:\>perl tmp.pl
> 315160265
> 
> ----- Original Message ----- 
> From: "Peter Jay Salzman" <p@dirac.org>
> To: <vox-tech@lists.lugod.org>
> Sent: Saturday, January 18, 2003 1:15 PM
> Subject: [vox-tech] perl never ceases to amaze me
> 
> 
> > perl is such a cool language.  i never knew you can represent numbers
> > this way:
> > 
> >    my $number = 3_151_592_653;
> >    print ++$number, "\n";
> > 
> > i can easily see that $number represents "three billion one hundred
> > fifty one million five hundred ninety two thousand six hundred fifty
> > three".  if, instead, i saw:
> > 
> >    my $number = 3151592653;
> >    print ++$number, "\n";
> > 
> > i'd be sitting there all day trying to figure out what this number is.
> > perl will balk if you use an underscore in anything other than groups of
> > three, as in:
> > 
> >    my $number = 3_151_592_53;
> > 
> > jeez, for all the numerical stuff i do for research, i wish C had
> > something like this built in!
> > 
> > pete
> > _______________________________________________
> > vox-tech mailing list
> > vox-tech@lists.lugod.org
> > http://lists.lugod.org/mailman/listinfo/vox-tech
> > 
> > 
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