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"""
Solution for the challenge https://mastodon.social/@willmcgugan/112025856092773557

How to execute:
  1. the very first run of the script generates the example file with
     10 million lines, of random lengths
  2. drop file system caches [1]
       echo 3 | sudo tee /proc/sys/vm/drop_caches
  3. run the script to get the time it takes to read the last five lines from
     the uncached file

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birth - created  - touch
birth    2022-12-20 22:56:54.558640670 +0100
access   2022-12-20 22:56:54.558640670 +0100
modify   2022-12-20 22:56:54.558640670 +0100
change   2022-12-20 22:56:54.558640670 +0100

atime - accessed - cat
birth    2022-12-20 22:56:54.558640670 +0100
access   2022-12-20 22:56:55.570654581 +0100

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On Twitter, Will McGuan posted a perspective screenshot.

This gist provides few basic steps, using ImageMagick, to produce some similar looking.

Following steps were processed.

• starting with a screenshot of the Rich CLI help in a terminal

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/**
 *
 * Today was on stackoverflow a question about how to convert a C++ source into
 * Java source. The code was implementing a scoller like in the movie "The Matrix".
 *
 * As the question was not fulfilling the stackoverflow requirements for a valid
 * questions, it has been deleted in the meantime by the moderators. Which is a
 * little bit bad, as the code was nice.
 * 
 * So I create this gist with my answer I would like to have posted to the

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# Multicast receiver
# Guidance:  https://stackoverflow.com/a/1794373
import socket
import struct

MCAST_GRP = '224.1.1.1'
MCAST_PORT = 5007
IS_ALL_GROUPS = True

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)

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build/

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/**
  demo of Java 11 HttpClient
*/
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpClient.Redirect;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;

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public class ReportCpuCount {
    public static void main(String[] args) throws Exception{
        while(true){
           System.out.printf("#Found %d CPUs%n", Runtime.getRuntime().availableProcessors());
           Thread.sleep(1000);
        }
    }
}

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import com.sun.tools.attach.VirtualMachine;

public class AttachClient {

    public static void main(String[] args) throws Exception {
      String pid = args[0];
        VirtualMachine vm = VirtualMachine.attach(pid);
        System.out.println("vm = " + vm);
        vm.detach();
    }

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