Use print to show the message, use readline to get the answer. Wrap the whole program body in a loop to repeat it: 
my $run = 'y';
while ($run =~ /^y/i) {
    ...

    print 'Do u want to continue? ';
    $run = readline;
}

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لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^4: Automating cmd prompt command execution by choroba
in thread Automating cmd prompt command execution by Anonymous Monk

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