pi-hole/advanced/Scripts/COL_TABLE

# Determine if terminal is capable of showing colors
if ([[ -t 1 ]] && [[ $(tput colors) -ge 8 ]]) || [[ "${WEBCALL}" ]]; then
  # Bold and underline may not show up on all clients
  # If something MUST be emphasized, use both
  COL_BOLD='[1m'
  COL_ULINE='[4m'

  COL_NC='[0m'
  COL_GRAY='[90m'
  COL_RED='[91m'
  COL_GREEN='[32m'
  COL_YELLOW='[33m'
  COL_BLUE='[94m'
  COL_PURPLE='[95m'
  COL_CYAN='[96m'
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}"

TICK="[${COL_GREEN}✓${COL_NC}]"
CROSS="[${COL_RED}✗${COL_NC}]"
INFO="[i]"
QST="[?]"
DONE="${COL_GREEN} done!${COL_NC}"
OVER="\\r[K"