Konopaske Jr,Raymond E wrote:
> Forgive me if this is a dumb question. I'm a newcomer to Perl.
>
> I was trying to do something the other day and ran across this odd
> little problem.
>
> I had some lines in my script that looked something like this:
>
> $ddd = 8;
> ...
> if ($ddd == 08) {print ('hi');}
>
> When I tried to run, I would get the following error:
>
> Illegal octal digit at C:\atest\tryme.pl line 2, at end of line
> Execution of C:\atest\tryme.pl aborted due to compilation errors.
A numeric constant starting with a zero is treated as base-8. Octal numbers
use digits 0-7 only, obviously.
See "perldoc perldata" under the (not-so-obvious) heading "Scalar value
constructors"
If you want to check for the number 8 (base 10), you need
$ddd == 8
(or if you prefer octal, $ddd == 010)
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