I suppose by now you have your problem solved, but since I had a similar problem and found "one more way to do it" the following might be useful to someone

 my $b= $import_w->LabEntry(-label=> 'mytext',
-labelPack=>[-side=>'left'] )->pack(-anchor=>'e');

[download]
Right-justifying the entry with pack.

In reply to Re: Tk::LabEntry - justify label? by diamantis
in thread Tk::LabEntry - justify label? by gri6507

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