On Wed, Dec 28, 2022 at 01:09:02PM -0600, The Administrator wrote:
> Hello and happy holiday hacking. Does the read builtin stand to benefit
> from \[ and \] denotation ala $PS1 and friends? Here is a quick example:
>
> > read -erp "$( tput setaf 2 )NEW:$( tput sgr0 ) "
>
> Fill the line with “0123456789ABCDEFGH” and try deleting some of it. I have
> attached a small demonstration.
There's a (secret?) feature of readline that lets you do \[ \] type
stuff using 001 and 002 bytes instead.
x01=$'\x01' x02=$'\x02'
read -erp "$x01$(tput setaf 2)${x02}NEW:$x01$(tput sgr0)$x02 "
Not pretty, but it works.
