sub flush {
my $h = select($_[0]); my $a=$|; $|=1; $|=$a; select($h);
}
sub show_progress {
my ($progress) = @_;
my $stars = '*' x int($progress*10);
my $percent = int($progress*100);
$percent = $percent >= 100 ? 'done.' : $percent.'%';
print("\r$stars $percent");
flush(STDOUT);
}
show_progress(1/4);
sleep(1);
show_progress(2/4);
sleep(1);
show_progress(3/4);
sleep(1);
show_progress(4/4);
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