Colorize stream to one color (with bash)

colorize

#!/bin/bash
declare -A colours
colours["black"]=$'\e[0;30m'
colours["red"]=$'\e[0;31m'
colours["green"]=$'\e[0;32m'
colours["yellow"]=$'\e[0;33m'
colours["blue"]=$'\e[0;34m'
colours["purple"]=$'\e[0;35m'
colours["cyan"]=$'\e[0;36m'
colours["white"]=$'\e[0;37m'

COLOROFF=$'\e[0m'

COLOR=${colours[$1]}

sed -e "s/^\(.*\)$/${COLOR}\1${COLOROFF}/g"