(and another unflagged update, please consider just replying to your initial post ... and please use code tags)

> Here comes the codes I come up with, 

Which is double buggy, test next not value with defined not eq "undef" (data structure here).

Well triple, empty list aren't covered.

Consider a recursive solution.

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)

PS: Je suis Charlie!

In reply to Re: Perl linked list by LanX
in thread Perl linked list by Perl_is_Perl

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