Demo of 256 color in neko

gistfile1.txt

# assumes putting classes in subdirectory 'src'
-cp src
--neko hello.n
--main Main
-cmd neko hello.n

Main.hx

import SysPrint256;
class Main {
    static final text =  'Hello';
    /**
     * Demo of 256 color in terminal   
    **/
    static public function main():Void {
        var cyan = 51;
        var purple = 57;
        var colortxt = fontColor( text, cyan, purple );
        Sys.println('$begin$colortxt$end');
        var str = '';
        for( i in 0...12 ){
            colortxt = fontColor( text, Std.random(256) );
            str += '$colortxt $begin';
        }
        str = str.substr(0,str.length-begin.length);
        println( str );
    }
}

SysPrint256.hx

// MIT license 
// see pallette library
// https://github.com/nanjizal/pallette/blob/master/LICENSE

final begin = '\033[';
final end   = '\033[0m';
final fore  = '38;5;';
final back  = '48;5;';
function println( txt: String ){
    Sys.println('$begin$txt$end');
}
function fontColor( txt: String, foreIndex: Int, ?backIndex: Int = -1 ){
    var foreColor = txColor( foreIndex );
    return if( backIndex == -1 ){
        '${foreColor}m$txt';
    } else {
        var backColor = bgColor( backIndex );
        '$foreColor;${backColor}m$txt';
    }
}
function txColor( colorIndex: Int ){
    var color = Std.string( colorIndex );
    return '$fore$color';
}
function bgColor( colorIndex: Int ){
    var color = Std.string( colorIndex );
    return '$back$color';
}