# Starting RETRO on BSD

RETRO can be run for scripting or interactive use. To start it
interactively, run: `retro -i` or `retro -c`.

For a summary of the full command line arguments available:

    Scripting Usage:

        retro filename [script arguments...]

    Interactive Usage:

        retro [-h] [-i] [-c] [-s] [-f filename] [-t]

      -h           Display this help text
      -i           Interactive mode (line buffered)
      -c           Interactive mode (character buffered)
      -s           Suppress the 'ok' prompt and keyboard
                   echo in interactive mode
      -f filename  Run the contents of the specified file
      -t           Run tests (in ``` blocks) in any loaded files