else {
            $call = <Something I make here>;  # sorry, can't show that
            open (OUT, "| $call");
            close (OUT);
            exit;
        }

##</code><code>##

        else {
            $call = <Something I make here>;  # sorry, can't show that
            exec $call || die "Something went wrong!";
        }

##</code><code>##

$call= "myperlscript -param1 $var1 -param2 $var2";
exec $call;

##</code><code>##

@call= ('/my/home/dir/myperlscript','-param1',$var1,'-param2',$var2);
exec @call;