pi-hole/advanced/Scripts/COL_TABLE

# Determine if terminal is capable of showing colours
if [[ -t 1 ]] && [[ $(tput colors) -ge 8 ]]; then
# Bold and underline may not show up on all clients
# If something MUST be emphasised, use both
COL_BOLD=''
COL_ULINE=''
 
COL_NC=''
COL_GRAY=''
COL_RED=''
COL_GREEN=''
COL_YELLOW=''
COL_BLUE=''
COL_PURPLE=''
COL_CYAN=''
else
# Provide empty variables for `set -u`
COL_BOLD=""
COL_ULINE=""
 
COL_NC=""
COL_GRAY=""
COL_RED=""
COL_GREEN=""
COL_YELLOW=""
COL_BLUE=""
COL_PURPLE=""
COL_CYAN=""
fi
 
# Deprecated variables
COL_WHITE="${COL_BOLD}"
COL_BLACK="${COL_NC}"
COL_LIGHT_BLUE="${COL_BLUE}"
COL_LIGHT_GREEN="${COL_GREEN}"
COL_LIGHT_CYAN="${COL_CYAN}"
COL_LIGHT_RED="${COL_RED}"
COL_URG_RED="${COL_RED}${COL_BOLD}${COL_ULINE}"
COL_LIGHT_PURPLE="${COL_PURPLE}"
COL_BROWN="${COL_YELLOW}"
COL_LIGHT_GRAY="${COL_GRAY}"
COL_DARK_GRAY="${COL_GRAY}"
COL_LIGHT_YELLOW="${COL_YELLOW}"
 
TICK="[${COL_GREEN}✓${COL_NC}]"
CROSS="[${COL_RED}✗${COL_NC}]"
EXCL="[${COL_YELLOW}!${COL_NC}]"
INFO="[i]"
QST="[?]"
DONE="${COL_GREEN} done!${COL_NC}"
OVER="\\r"