Hi please have a look on it, this is my code , here iam able to open the file but i can't save the changes , can you help me how can i do it.
#!/usr/bin/perl -w
# Create a sub window at the request of the user
use Tk;
use strict;
my $mw = MainWindow->new;
$mw->configure(-background => 'black',
-foreground => 'white');
$mw->geometry("400x100");
$mw->title("Multiple Windows Test");
my $button1 = $mw->Button(
-text => "view Results",
-background => "cyan",
-command => \&button1_sub)->pack(-side=>"right
+");
$mw->Button(-text => "Exit", -command => sub{exi
+t})->pack(-side=>"bottom");
sub button1_sub {
my $subwin1 = $mw->Toplevel;
$subwin1->geometry("400x300");
$subwin1->title("Sub Window #1");
my $fh;
open ($fh,"<test.txt") or die $!;
my @contents = <$fh>;
my $sublable = $subwin1->Scrolled('Text',
-scrollbars => 'osoe',
)->pack;
$sublable->insert('end',@contents);
close($fh);
my $subwin_button = $subwin1->Button(-text => "Close w
+indow",
-command => [$subwin1 => 'destroy'])->pack(-side=>"bot
+tom");
#=================================Creating save buttio
+n on subwindow ===========
my $save_button = $subwin1->Button(-text=>'save',
-command =>\&get_save,
-background =>'cyan')-
+>pack(-side=>'right');
}
MainLoop;
sub get_save {
getSaveFile(-title => 'Select a file to APPEND',-defau
+ltextension=>'.in');
}