langref.org - ocaml - Numbers

Given the number 42, pad it to 8 characters like 00000042

ocaml

Printf.printf "%08d" 42;;

let s = Printf.sprintf "%08d" 42 in
print_string s;;

Given the number 1024 right pad it to 6 characters "1024 "

ocaml

Printf.printf "%-6i" 1024;;

Format the number 7/8 as a decimal with 2 places: 0.88

ocaml

Printf.printf "%4.2f" (7. /. 8.);;

let s = Printf.sprintf "%4.2f" (7. /. 8.) in
print_string s;;

Given the number 73 left pad it to 10 characters " 73"

ocaml

Printf.printf "%10d" 73;;