hidden-files-checker.user.js

// ==UserScript==
// @name         Hidden files checker
// @namespace    https://github.com/omkelderman/
// @version      1.0
// @description  See if there are any hidden files on your HDD (local or on remote server, including clan server)
// @author       Olle Kelderman
// @match        *://legacy.hackerexperience.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var $hdUsageText = $('.hd-usage-text');
    // check if its a hdd-page
    if($hdUsageText.length === 0) return;

    //var multipliers = {
    //    B: 1,
    //    KB: 1024,
    //    MB: 1024*1024,
    //    GB: 1024*1024*1024,
    //    TB: 1024*1024*1024*1024
    //};
    var multipliers = {
        B: 1,
        KB: 1000,
        MB: 1000*1000,
        GB: 1000*1000*1000,
        TB: 1000*1000*1000*1000
    };

    var sizeTextRegex = /([0-9\.]+) ?([a-zA-Z]+)/;
    function fromTextToSize(text) {
        var m = sizeTextRegex.exec(text);
        if(m === null) return null;

        var multiplierText = m[2].toUpperCase();
        if(!multipliers[multiplierText]) return null;

        //var num = parseInt(m[1]);
        var num = m[1];
        var multiplier = multipliers[multiplierText];
        console.log('entry: %s * %d = %d', num, multiplier, num*multiplier);
        return Math.round(num * multiplier, 0);
    }

    // probably the table containing the software-list
    var $table = $('table').first();

    var $rows = $table.find('tbody tr');
    var total = 0;
    $rows.each(function(i, el) {
        var $sizeTd = $(el).find('td').eq(3);
        var sizeText = $sizeTd.text().trim();
        var size = fromTextToSize(sizeText);
        if(size === null) {
            console.warn('Invalid size identifier detected!!!');
            return;
        }

        total += size;
    });

    console.log('total:', total);


    // actual total
    var $usageSpan = $hdUsageText.first().next();
    var actualTotal = fromTextToSize($usageSpan.children().first().text());
    var $newDiv = $('<div>').text('HDD usage in bytes: ' + actualTotal);
    $usageSpan.after($newDiv);
    var $newNewDiv = $('<div>').text('visible software size in bytes: ' + total);
    $newDiv.after($newNewDiv);
    var $newNewNewDiv = $('<div>').text('difference: ' + (actualTotal - total));
    $newNewDiv.after($newNewNewDiv);

    console.log('actual total', actualTotal);
})();