From: [email protected]
[mailto:[email protected]] On Behalf Of
Perl Perl
Sent: 27 May 2009 15:40
To: [email protected]
Subject: Problem iwth perl tk : Creation of file based on options
> Hi All,
>
> I have to create files based on the ext1 - ext2 and write few
lines of code there. The created file
> should have to option like like update and save so that user can edit
the file in future.
Sorry, I didn't understand that.
> For this I choose the Radiobatton option of Perl/Tk. Here I am doing a
very silly mistake, and it is just due
> to little knowlege towards Perl/TK (started learning Perl/TK for 2
days).
> So Request you to let me know where I am doing the mistake.
> It will great help, if you help me to overcome this issue.
>
>
> #!/usr/bin/perl -w
> use Tk;
> use strict;
> our ($filename);
> $filename = "DMM";
>
>
> my $mw = MainWindow -> new;
> my $rb_value = "red";
> $mw -> configure( -background => $rb_value);
> my $val;
> foreach ( qw ( ext1 ext2 ext3) ) {
> $mw -> Radiobutton ( -text => $_,
> -value => $_,
> -variable => \$val,
> -command => \&set_bg) -> pack (-side => 'left');
> }
> MainLoop;
>
> sub set_bg {
> my $Data = "Hello World";
> print " Selcted CPU is : $val\n";
> #$mw -> configure ( - background => $rb_value);
> $mw -> configure ( -textvariable => $rb_value);
This is clearly the line that is causing the problem. It is complaining
that -textvariable is not a valid configuration option for that widget.
As I have no idea what you are trying to do, the best I can say is don't
do that.
> print " File name is : $filename\n";
> if ( $rb_value eq "ext1" ) {
> $filename = $filename . "\_" . $rb_value;
> print " Edited name is : $filename \n";
> open ( FILE, $filename ) or die " Can't open the $filename $!";
> print FILE $Data;
> }
>
> }
>
>
>
> /Perl/GUI>perl Radio.pl
> Selcted CPU is : ext1
> Tk::Error: Can't set -textvariable to `red' for
MainWindow=HASH(0x982af0): unknown option "-textvariable" at
> /apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk/Configure.pm
line 46.
> at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk/Derived.pm line
294
>
> Tk callback for .
> Tk::Derived::configure at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk/Derived.pm line
306
> main::set_bg at Radio.pl line 26
> Tk::BackTrace at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk.pm line 124
> Tk::Derived::configure at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk/Derived.pm line
306
> main::set_bg at Radio.pl line 26
> Tk callback for .radiobutton
> Tk::__ANON__ at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk.pm line 250
> Tk::Radiobutton::Invoke at
/apps/perl/modules-0812/lib/x86_64-linux-thread-multi/Tk/Radiobutton.pm
line 42
> <Button-1>
> (command bound to event)
HTH
--
Brian Raven
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