printf(1) on macOS

The text 03b3c6d63c2c, as macOS 10.12.6, macOS 10.12.5, macOS 10.12.4, macOS 10.12.3, macOS 10.12.2, macOS 10.12.1, macOS 10.12 shipped it.

formatted output

printf(1) on macOS now