echo_c

#!/bin/bash

# this is a better script to echo colored text

# TDOO:
# 1. some of the blanks are eaten by the param transfer process. handle
# this. 

function usage() {
    cat <<EOF

This is a more powerful ECHO command with color and style support. 	
usage: $0 <style> <things_devlier_to_echo>

	Here comes the style list:
	colors: red, green, yellow, blue, pink, purple, lightblue, grey

EOF
    exit 0
}

declare -A param_list
param_list=(
    ["grey"]="90"
    ["red"]="91"
    ["green"]="92"
    ["yellow"]="93"
    ["blue"]="94"
    ["pink"]="95"
    ["purple"]="96"
    ["white"]="97"
)

function set_env_num() {
    echo -en "\033[${1}m"
}

function recover_to_normal() {
    set_env_num 97
}

# for i in $(seq 1 100); do
#     set_env_num $i
#     echo $i: hello!
# done

# exit 

if [ $# -lt 2 ]; then
    usage
fi

set_env_num ${param_list[$1]} 
shift
echo $@
set_env_num 0