You need to ddumperBasic debugging checklist the data you're using, it probably doesn't have newlines 

#!/usr/bin/perl --
use strict; use warnings;
use Tk;
my $mw = tkinit();
my $l = $mw->Label->pack( -side => 'bottom' );
$mw->Button(
    -command => [ \&ralala, $l ],
)->pack;
MainLoop();
sub ralala {
    my( $l ) = @_;
    $l->configure( -text =>  join "\n",  1 .. rand 4 );
}

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In reply to Re: Multiple Rows in Tk::Label by Anonymous Monk
in thread Multiple Rows by PilotinControl

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