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if [ test-commands ]; then
    #do something
elif [ more-commands ]; then
    #do more something]
else
    #do something else
fi

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version: "3.1"

services:

  wordpress:
    image: wordpress
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_PASSWORD: password

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GET /                            controllers.Application.index()
GET /assets.javascript.ws.js     controllers.Application.wsJs()
GET /wsInterface                controllers.Application.wsInterface()

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// render index page
public static Result index() {
    return ok(index.render());
}

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// Websocket interface
public static WebSocket<String> wsInterface(){
    return new WebSocket<String>(){
            
        // called when websocket handshake is done
        public void onReady(WebSocket.In<String> in, WebSocket.Out<String> out){
                SimpleChat.start(in, out);
        }
    };   
}

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package models;

import play.mvc.*;
import play.libs.*;
import play.libs.F.*;

import java.util.*;

public class SimpleChat{

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$(function(){

    // get websocket class, firefox has a different way to get it
    var WS = window['MozWebSocket'] ? window['MozWebSocket'] : WebSocket;
    
    // open pewpew with websocket
    var socket = new WS('@routes.Application.wsInterface().webSocketURL(request)');
    
    var writeMessages = function(event){
             $('#socket-messages').prepend('<p>'+event.data+'</p>');

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// get the ws.js script
public static Result wsJs() {
    return ok(views.js.ws.render());
}

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pngquant --ext .png --force *.png

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pngquant --quality=70-99 input.png -o output.png