On Mon, Oct 29, 2018 at 7:37 AM Ilkka Virta <itvi...@iki.fi> wrote:
>
> prompt_to_bol() { local pos; printf '\e[6n'; read -sdR pos;
> [[ ${pos#*;} != 1 ]] && printf '\e[30;47m%%\n\e[0m'; }
> PROMPT_COMMAND=prompt_to_bol
>
> (I stole the main parts from the answers in
> https://unix.stackexchange.com/q/88296/170373 )
Another solution I use is to emulate ZSH's behavior, which places a
'%' in reverse video if the previous command ended in a newline,
# Can return $ps1 by printing our using this function in
# PROMPT_COMMAND, or some other means.
_zsh_prompt_nl()
{
local line_pos col_pos
IFS=';[' read -s -t1 -d'R' -p $'\033[6n' _ line_pos col_pos
if (( col_pos != 1 )); then
(( LINES != line_pos ))
ps1="${reset/\[0/[7}%${reset}\n${ps1}\n"
else
ps1="${ps1}\n"
fi
}
Updating LINES and COLUMN non-interactively can be difficult,
so obtaining these values manually may be required:
IFS='[;' \
read -rsu2 -d'R' -p $'\033[s\033[9999;9999H\033[6n\033[u' \
_ LINES COLUMNS
