#!/usr/bin/perl
use warnings;
use strict;
my $count = 3;
$| = 1;
$SIG{ 'INT' } = \&stop;
while ( $count ) {
print( "Hi!" );
print( "\n" );
sleep( 1 );
}
sub stop
{
$SIG{ 'INT' } = \&stop;
$count--;
print( "$count\n" );
unless ( $count ) {
print( "line...\n" );
}
}