I have one perl script file with following code

main.pl

#!/usr/bin/perl
use strict;
use warnings;
use CGI qw(:all);

#Create a new CGI object
my $cgi = new CGI;
print "Content-type:text/html\n\n";
print <<EndOfHTML;
<center><<strong class="highlight"> SOFTWARE DIAGNOSTIC </strong>></ce
+nter><head><title>Generating Self-Referential URLs</title></head>
<body>
<br><br>
<center>
<a href="progress_bar.pl"><img src="/images/diagnostics-icon.jpg" alt=
+"SoftDiagno" width="800" height="450"></a>
</center>
</body>
EndOfHTML

[download]

Progress_bar.pl

#!/usr/bin/perl
use Tk;
use Tk::ProgressBar;
use strict;
use CGI qw(:all);

my $percent_done = 0;
my $cgi = new CGI;
print "Content-Type: text/html \n\n";
my $mw = MainWindow->new;
my $text = "Percentage to date: $percent_done";
$mw->title('Progress Bar');
my $message = $mw->Message(-textvariable => \$text,
                           -width => 130,
                           -border => 2);
my $progress = $mw->ProgressBar(
        -width => 30,
        -from => 0,
        -to => 100,
        -blocks => 50,
        -colors => [0, 'green', 50, 'yellow' , 80, 'red'],
        -variable => \$percent_done
    )->pack(-fill => 'x');
my $exit = $mw->Button(-text => 'Exit',
                      -command => [$mw => 'destroy']);
my $get = $mw->Button(-text => 'Press to start!',
                      -command => \&start);
$get->pack;
$message->pack;
$exit->pack;
MainLoop;
sub start {
  for ($percent_done=0; $percent_done <= 100; $percent_done +=20) {
    $text = "Loading: $percent_done%";
    $mw->update;
    sleep 1;
  }
  $text = 'Done!';
  $mw->update;
}

[download]

When Progress_Bar.pl file is called its showing blank page in browser.How to display the output of Progress_Bar.pl in main.pl when the image is clicked?

In reply to Display perl code output in CGI script by asha_mail

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