[prog] Re: speaking Perlish

[Meryll Larkin]

Thanks, Jacinta,

Good to hear from another woman keeping the "she" in "she-bang".

I completely agree, and all good points.
   As for "unless", I'm a great fan of TMTOWTDI.
     For anyone less familiar with Perl, that's
      "There's More Than One Way To Do It"

Meryll

> With an understanding of how Perl converts numbers you may understand why
> it is that your test cases worked fine.  Data validation, however, is a
> great idea.  Note, though, that the above prevents floating point values.
> This is because \D is the same as [^0-9] and . is not in 0-9.  An
> alternative regexp would be:
> $live =~ s/[^0-9.]//g;    
> 
> 
> 
>>if (!$live) {  # make sure there is a number in there.
>>    print "Please answer numerically.  Quitting.\n";
>>    exit 1;
>>}
> 
> 
> I prefer unless myself.  ;)
> unless($live) {
>     print ".....";
>     exit 1;
> }
> 
> Great job Kenny.
> 
> 	Jacinta
>