echo color functions

echo-color.sh

#!/bin/sh

#
# echo utils
#

echo_prefix=""

set_echo_prefix(){
    echo_prefix=$1
}

echo_color(){
    local color=$1
    shift
    case $color in
        red)
            echo -e "\e[0;31m${@}\e[0m"
            ;;
        green)
            echo -e "\e[0;32m${@}\e[0m"
            ;;
        yellow)
            echo -e "\e[0;33m${@}\e[0m"
            ;;
        cyan)
            echo -e "\e[0;36m${@}\e[0m"
            ;;
    esac
}

echo_color_with_prefix(){
    local color=$1
    local msg=$2
    echo_color $color "$echo_prefix$msg"
}

echo_begin(){
    local msg=$1
    echo_color_with_prefix green ">>> ${msg}"
}

echo_end(){
    local msg=$1
    echo_color_with_prefix green "<<< ${msg}"
}

echo_info(){
    local msg=$1
    echo_color_with_prefix cyan "${msg}"
}

echo_warn(){
    local msg=$1
    echo_color_with_prefix yellow "${msg}"
}

echo_error(){
    local msg=$1
    echo_color_with_prefix red "${msg}"
}