... seems push and hold an arrow key on cactuski buffers lots, and Kenny doesn't change direction expediently

Issue #16 has somewhat re-emerged, and may need addressing again.

because it is spelt without_echo

Some text placement issues have arisen with Crayon 1.5.1 (whereas 1.4.1 was fine). The issue is that nchar(crayon::strip_style(text)) is not giving the correct number of visible characters in a string that contains some ANSI control codes.

The change in Crayon 1.5.1 is the addition of "useBytes=TRUE" here in has_ansi.r, which was not present in 1.4.1

strip_style <- function(string) {
  gsub(ansi_regex, "", string, perl = TRUE, useBytes = TRUE)
}

I've not worked out the reason for that yet, but by observation, that causes an incorrect answer when using gsub in R 4.1.3, but a correct answer again in R 4.2.0

Workarounds:
a) Force install crayon 1.4.1, or upgrade to R 4.2.0
or
b) Write our own strip_style omitting the useBytes.

The current entertainment facilities are somewhat limited.

We should consider adding more.

Use waitr package to try and make performance more even across different platforms. It may not be perfect, but should be a bit better...

Linux audio is generally terrible - audio is corrupt, and message get pasted on the screen.

Look for alternatives...

Sound seems good out of the box on Win and Mac, however on ubuntu:-

##############################################################

L-|xError in play.default(x, rate, ...) : no audio drivers are available

Calls: ... play_sound -> -> play.audioSample -> play.default
In addition: Warning messages: #
1: In .Call(C_save_term_status) : converting NULL pointer to R NULL
2: In .Call(C_set_term_echo, echo) : converting NULL pointer to R NULL
Execution halted #
Warning message: #
In .Call(C_restore_term_status) : converting NULL pointer to R NULL

I should:-

1. Detect absence of audio driver, and continue without sound.
2. And then see what we can do about adding a driver/helping the user do so.

A bit messy, especially if you choose 2:-

ERROR: The system was unable to find the specified registry key or value.

On Windows, you need a registry key set to allow colours
to be used from RScript in a terminal window. The command needed:
REG ADD HKCU\CONSOLE /f /v VirtualTerminalLevel /t REG_DWORD /d 1

Please choose:-

1. Set this key now.
2. Don't set this key now.

Your choice: 2

No changes made.
Error in check_windows_ansi() :
Calls: -> check_windows_ansi
Execution halted