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#!/usr/local/bin/perl -w
use Tk;
use Tk::widgets qw(ProgressBar);
my $mw = MainWindow->new;
my $meminfo = "/proc/meminfo";
if (!-e $meminfo) {
$meminfo = "/compat/linux/proc/meminfo";
if (!-e $meminfo) {
die "Sorry, no /proc/meminfo or /compat/linux/proc/meminfo available";
}
}
my $info = `cat $meminfo`;
my ($max) = $info =~ /MemTotal:\s*(\d+)/;
print "Max = $max\n";
my %values;
foreach my $name (qw(MemFree MemShared Buffers Cached))
{
my $lab = $mw->Label(-text => $name);
my $pg = $mw->ProgressBar(-fg => '#404080', '-length' => '3c', -width => '3m',
-to => $max, -variable => \$values{$name});
Tk::grid($lab,$pg);
}
newValue();
$mw->repeat(5000,\&newValue);
MainLoop;
sub newValue
{
my $info = `cat $meminfo`;
foreach my $name (keys %values)
{
($values{$name}) = $info =~ /$name:\s*(\d+)/;
print "$name ",$values{$name},"\n";
}
}
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