Do you see what's wrong?

Maybe. When you C&P'd the code, you did so without using [download] link first.

Because of that, one of the longer lines has been (moronically and pointlessly) "wrapped" by the PM website, and extra characters insertewd. Hence the line that should be:

    my( @vals, @odds ); ( $vals[ @vals ], $odds[ @odds ] ) = split( ' 
+' ) for <$fh>;

[download]

Has been autofcuked into:

    my( @vals, @odds ); ( $vals[ @vals ], $odds[ @odds ] ) = split( ' 
+' ) for <$fh>;

[download]

Change that back and see how you get on. (Did you really get no warnings or errors?)

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I'm with torvalds on this
In the absence of evidence, opinion is indistinguishable from prejudice. Agile (and TDD) debunked

In reply to Re^7: an algorithm to randomly pick items that are present at different frequencies by BrowserUk
in thread an algorithm to randomly pick items that are present at different frequencies by efoss

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