How to repeat the format in @printf?

General Usage
14

@CRquantum, you could write like this (added carriage return for better formatting):

f = Printf.Format("%9.3f"^4*"\n")
io = open("myfile2.txt", "w")
for i in 1:10
    Printf.format(io, f, 1,2,3,4)
end
close(io)
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