This ...

> The expected result is : 0

... and this ...

> return if not $data;

... collide, because 0 is false in Perl.

You want to try defined or even better just check the size of @arrX °

BTW: This code looks weird, what's your real intention?

HTH! =)

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Je suis Charlie!

update

°)... e.g. like in return unless @arrX

... which is very Perlish, boolean context is subcase of scalar context which returns the size.

And as we know now that 0 is false ;-)

In reply to Re: "shift" not working as expected by LanX
in thread "shift" not working as expected by ForeverLearning

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