Leading Zeros

[pontus]

using Printf
for i in 1:999
    @printf("%03d\n", i)
end
001
002
003 ...

Can also render padded binary output:

    @printf("%6i → %s → %03d\n", i, string(i, base=2, pad=11), i)
end
     1 → 00000000001 → 001
     2 → 00000000010 → 002
     3 → 00000000011 → 003
     4 → 00000000100 → 004
     5 → 00000000101 → 005
     6 → 00000000110 → 006
     7 → 00000000111 → 007 ...