>
>is there any function i can use to add some seconds of delay in my
>program??

Yes,like all other program languages,you can use "sleep" for the delay.
see "perldoc -f sleep".

if you want to get a sleep of milliseconds,you can use the four arguments 
version "select",like:

# sleep of 250 milliseconds
select(undef, undef, undef, 0.25);

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