You pass scalars to your sub. Use scalars in your sub: 
sub myfunc {
    my ($file, $aref1, $aref2) = @_;
    my @array1 = @{ $aref1 };

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Pass by Reference

In reply to Re: Passing a file handle and two arrays to a function by reference. by toolic
in thread Passing a file handle and two arrays to a function by reference. by subr01

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