type file;

app (file o) catnap (string delay, file i)
{
  catnap delay @i stdout=@o;
}

string delay=@arg("s","1");

file out[]<simple_mapper; location="outdir", prefix="f.",suffix=".out">;

foreach j in [1:@toint(@arg("n","1"))] {
  file data<"data.txt">;
  out[j] = catnap(delay,data);
}