File: tktail

package info (click to toggle)
perl-tk 1:800.025-2
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 18,444 kB
  • ctags: 19,081
  • sloc: ansic: 206,740; perl: 40,187; makefile: 4,371; sh: 2,373; yacc: 762
file content (33 lines) | stat: -rwxr-xr-x 546 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
#!/usr/local/bin/perl -w
use strict;
use Tk;
use IO::File;

sub readfile
{
 my ($t,$fh) = @_;
 my $size = (stat($fh))[7];
 my $len  = $size - $t->{'posn'}; 
 if ($len > 0)
  {
   my $buffer = "";
   my $got = sysread($fh,$buffer,$len);
   $t->insert('end',$buffer);
   $t->{posn} += $got;
   $t->see('end');
  }
}

my $mw = MainWindow->new;

my $fh = IO::File->new("<$ARGV[0]");

my $t  = $mw->Scrolled('Text',-scrollbars => 'w');

$t->pack(-expand => 1, -fill => 'both');

$t->{posn} = 0;

$t->repeat(5000,sub { readfile($t,$fh) } );

MainLoop;