Welcome!

The first thing monks will tell new perl programmers is to always
use strict;
use warnings
at the start of each program.

That said, your problem is the use of

@values = ();
[download]

inside the loop. That re-initializes the @values array each time.
Move that outside the loop, and initialize it like this:

my @values = ();
[download]

The Parens are not necessary - perl initializes it to an empty array anyway.
Also, you code could be shortened if you used the "map" and "grep" functions, but I expect you have a ways to go before you are comfortable with them.
But first - get your program working.
Cheers, and all the best.

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