#!/usr/bin/perl -w use Tk; use Tk::ExecuteCommand; use Tk::widgets qw/LabEntry/; use strict; my $mw = MainWindow->new; my $ec = $mw->ExecuteCommand( -command => '', -entryWidth => 50, -height => 10, -label => '', -text => 'Execute', )->pack; $ec->configure(-command => 'date; sleep 10; date'); my $button = $mw->Button(-text =>'Do_it', -background =>'hotpink', -command => sub{ $ec->execute_command }, )->pack; MainLoop;