Lix/Lobby

import sys.io.File;
import sys.FileSystem;
import Sys.*;

class SetVersion {
    static function main()
        switch args() {
            case [name, version]:
                final path = './haxe_libraries/$name.hxml';
                if (!FileSystem.exists(path)) {
                    println('Library $name not found at $path');
                    exit(2);
                }
                final hxml = File.getContent(path);
                final reLib = new EReg('download "([^#]+)#[^"]+"');
                if (reLib.match(hxml)) {
                    final lib = reLib.matched(1);
                    exit(command('lix', ['install', '$lib#$version', 'as', name]));
                } else {
                    println('$path doesn\'t include a recognizable lix download URL pattern');
                    exit(1);
                }
            default:
                println('Name and version required');
                exit(1);
        }
}