However, i seem to be overwriting my hash? I'm not sure how this can be.
Here:
%values = split /:/, $line;
In each iteration, you're completely overwriting your hash. Perhaps you want something like: 
my ($key, $val) = split /:/, $line, 2;
$values{$key} = $val;

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In reply to Re: loop split into a hash by JavaFan
in thread loop split into a hash by ag4ve

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