Well, the code you show can't possibly work, because you
have
keys($foo) in a couple of places when it should
be
keys(%$foo)
Probably your best bet would be to reduce your code to
a simple test case that still shows the problem, then
post the whole code here if it still fails. The very process
of reducing the code often turns up where the problem is.
And my a simple case, I mean simple; ie remove all
the XML and file reading stuff, and replace the heart of
make_var_hash with something like
if ($xml eq 'file1') {
$myhash{foo1} = ['bar1', 55 ];
$myhash{foo2} = ['bar2', 55 ];
}
elsif ($xml eq '...
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