Step 1) use Tk, Tkx is a headache,

Tk tips :)

perl Tk help, RFC: Learning Perl/Tk, Perl/Tk: For Beginners, Re^3: Tkx Search for dialog box for text input , Re: TclTk interface with Perl code, is it possible? , Re^2: GUI toolkit+designer for the perl newbie , Re: Easier GUI, Re: Should I use Perl/TK?, Re^2: need a popup gui stdin, Tk Tree Tutorial ( http://www.rtapo.com/tutorials/tk_tree.html ), some Tkx tutorial links, Tutorial http://theoryx5.uwinnipeg.ca/perltk/ and http://www.perl.com/pub/1999/10/perltk/, http://perltk.org/, http://web.archive.org/web/20100310202528/http://theoryx5.uwinnipeg.ca/perltk/, How to RTFM Tk Tutorials

#!/usr/bin/perl --
use strict;
use warnings;
use Tk;
Main( @ARGV );
exit( 0 );
sub Main {
    return MainTk( @_ );
}

sub MainTk {
    my $mw = Tk::MainWindow->new( -title => "Log Viewer", );
    $mw->Label( -text => "DEVICE:" )->grid(
        -column => 1,
        -row    => 1,
        -sticky => "e",
        -padx   => 5,
        -pady   => 5,
    );
    $mw->Label( -text => "START TIME:" )->grid(
        -column => 1,
        -row    => 2,
        -sticky => "e",
        -padx   => 5,
        -pady   => 5,
    );
    $mw->Label( -text => "END TIME:" )->grid(
        -column => 3,
        -row    => 2,
        -sticky => "e",
        -padx   => 5,
        -pady   => 5,
    );
    $mw->Label( -text => "VALUE" )->grid(
        -column => 1,
        -row    => 3,
        -sticky => "e",
        -padx   => 5,
        -pady   => 5,
    );

    my( $device, $stime, $etime, $value ) = 1 .. 10;

    $mw->Entry(
        -width        => 14,
        -textvariable => \$device,
      )->grid(
        -column => 2,
        -row    => 1,
        -sticky => "we",
        -padx   => 5,
        -pady   => 5,
      );

    $mw->Entry(
        -width        => 10,
        -textvariable => \$stime,
      )->grid(
        -column => 2,
        -row    => 2,
        -sticky => "we",
        -padx   => 5,
        -pady   => 5,
      );

    $mw->Entry(
        -width        => 10,
        -textvariable => \$etime
      )->grid(
        -column => 4,
        -row    => 2,
        -sticky => "we",
        -padx   => 5,
        -pady   => 5,
      );

    $mw->Entry(
        -width        => 50,
        -textvariable => \$value,
      )->grid(
        -column     => 2,
        -row        => 3,
        -columnspan => 3,
        -sticky     => "we",
        -padx       => 5,
        -pady       => 5
      );

#~     $mw->Button( -text => "RUN", -command => [ \&onRun, \$etime, \$
+stime, \$value, \$device ] )->grid(
    my $onRun = sub {
        print "$etime $stime $value $device\n";
    };
    $mw->Button( -text => "RUN", -command => $onRun, )->grid(
        -column     => 1,
        -row        => 5,
        -columnspan => 4,
        -sticky     => "we",
        -padx       => 5,
        -pady       => 5,
    );
    $mw->MainLoop;
} ## end sub MainTk

sub onRun {
    my( $etimeref , $stimeref, $valueref, $deviceref ) = @_;
    use Data::Dump qw/ dd /;
    dd( { map {; "$_" => "$$_" ;} @_ });
} ## end sub onRun
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