1 2 3 4 5 6 7
# portable:2853 BEGIN { { _s = ""; for (_i = 0; _i < 3 + 2; _i++) _s = _s "0"; printf "%d\n", length(_s) } { _v = 0; printf "%d\n", _v ? 5 : 0 } printf "%s\n", toupper("ab3c") printf "%d\n", int((87 + 67) * 13 / 7) }