diff --git a/utils/lib.sh b/utils/lib.sh index b75e3376b..185012c5d 100755 --- a/utils/lib.sh +++ b/utils/lib.sh @@ -78,9 +78,18 @@ required_commands() { # shellcheck disable=SC2034 set_terminal_colors() { - _colors=8 + # https://en.wikipedia.org/wiki/ANSI_escape_code + + # CSI (Control Sequence Introducer) sequences + _show_cursor='\e[?25h' + _hide_cursor='\e[?25l' + + # SGR (Select Graphic Rendition) parameters _creset='\e[0m' # reset all attributes + # original specification only had 8 colors + _colors=8 + _Black='\e[0;30m' _White='\e[1;37m' _Red='\e[0;31m' @@ -271,7 +280,7 @@ prefix_stdout () { echo -e "${prefix}$line" done) # some piped commands hide the cursor, show cursory when the stream ends - echo -en "\e[?25h" + echo -en "$_show_cursor" } append_line() {