On windows this should work 
use strict;
use warnings;
use Tk;
use Win32::Unicode::File;

my $mw = tkinit;
my $path = $mw->getOpenFile();
my $fh = Win32::Unicode::File->new;
if ($fh->open('<', $path) ){
    while (my $line = $fh->readline()){
        print $line;
    }
}

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In reply to Re: Tk causes problems with file paths containing non-Latin-1 chars by Anonymous Monk
in thread Tk causes problems with file paths containing non-Latin-1 chars by ron7

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