11-initializeANSI

#!/bin/bash
# ANSI color--Use these variables to make output in different colors
#   and formats. Color names that end with 'f' are foreground colors,
#   and those ending with 'b' are background colors. 

initializeANSI()
{
  esc="\033"   # If this doesn't work, enter an ESC directly.

  # Foreground colors (as denoted by the 'f' at the end of the names)
  blackf="${esc}[30m";   redf="${esc}[31m";    greenf="${esc}[32m"
  yellowf="${esc}[33m"   bluef="${esc}[34m";   purplef="${esc}[35m"
  cyanf="${esc}[36m";    whitef="${esc}[37m"
  
  # Background colors
  blackb="${esc}[40m";   redb="${esc}[41m";    greenb="${esc}[42m"
  yellowb="${esc}[43m"   blueb="${esc}[44m";   purpleb="${esc}[45m"
  cyanb="${esc}[46m";    whiteb="${esc}[47m"

  # Bold, italic, underline, and inverse style toggles 
  boldon="${esc}[1m";    boldoff="${esc}[22m"
  italicson="${esc}[3m"; italicsoff="${esc}[23m"
  ulon="${esc}[4m";      uloff="${esc}[24m"
  invon="${esc}[7m";     invoff="${esc}[27m"

  reset="${esc}[0m"
}