ZygorGuides Fixer (Console C#) - Removes references to files and guides that dont exist as well as Trial references, and removes languages that aren't in your current Locale.

Program.cs

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace ZygorFixer {
    class Program {

        // property to store world of warcraft install path
        public static string InstallPath { get; private set; }

        // property to stor world of warcraft locale
        public static string Locale { get; private set; }

        static void Main( string[] args )
        {
            GetWarcraftInstallPath();
            GetWarcraftLocale();

            if(Locale.Length > 0 && InstallPath.Length > 0)
            {
                Fix();
            }
        }

        private static void Fix()
        {
            bool WriteLine = false;
            string file = "";
            List<string> new_data = new List<string>();

            // loader fix
            file = System.IO.Path.Combine(InstallPath, "interface", "addons", "ZygorGuidesViewer", "files.xml");
            if (System.IO.File.Exists(file))
            {
                new_data = new List<string>();
                string[] data = System.IO.File.ReadAllLines(file);
                foreach (string s in data)
                {
                    MatchCollection mc = Regex.Matches(s, "file=\"(.*)\"");
                    if (mc.Count > 0)
                    {
                        try
                        {
                            string lua = "";
                            foreach (Match match in mc)
                            {
                                lua = System.IO.Path.Combine(InstallPath, "interface", "addons", "ZygorGuidesViewer", match.Groups[1].Value);
                                if (System.IO.File.Exists(lua))
                                {
                                    new_data.Add(s);
                                }
                            }

                        } catch (Exception e)
                        {
                            new_data.Add(s);
                        }
                    } else
                    {
                        new_data.Add(s);
                    }
                }
            }
            System.IO.File.Copy(file, file + "-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bak", false);
            System.IO.File.WriteAllLines(file, new_data);

            // localization fix
            file = System.IO.Path.Combine(InstallPath, "interface", "addons", "ZygorGuidesViewer", "Localization", "Localization.xml");
            if (System.IO.File.Exists(file))
            {
                new_data = new List<string>();
                string[] data = System.IO.File.ReadAllLines(file);
                foreach (string s in data)
                {
                    WriteLine = true;
                    MatchCollection mc = Regex.Matches(s, "<Script file=\"(.*)_(.*).lua\"/>");
                    if (mc.Count > 0)
                    {
                        foreach (Match match in mc)
                        {
                            if (match.Groups[2].Value != Locale)
                            {
                                WriteLine = false;
                            }
                        }
                    }

                    if (WriteLine == true)
                    {
                        new_data.Add(s);
                    }
                }
            }
            System.IO.File.Copy(file, file + "-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bak", false);
            System.IO.File.WriteAllLines(file, new_data);

            // guide fix
            file = System.IO.Path.Combine(InstallPath, "interface", "addons", "ZygorGuidesViewer", "Guides", "Autoload.xml");
            if (System.IO.File.Exists(file))
            {
                new_data = new List<string>();
                string[] data = System.IO.File.ReadAllLines(file);
                foreach (string s in data)
                {
                    WriteLine = true;

                    // remove master entries
                    MatchCollection mc = Regex.Matches(s, "file=\"(.*)_(.*).lua\"");
                    if (mc.Count > 0)
                    {
                        foreach (Match match in mc)
                        {
                            if (String.Equals(match.Groups[2].Value, "MASTER", StringComparison.OrdinalIgnoreCase))
                            {
                                WriteLine = false;
                            }
                        }
                    }

                    // remove trial entries
                    mc = Regex.Matches(s, "file=\"(.*)Trial.lua\"");
                    if (mc.Count > 0)
                    {
                        WriteLine = false;
                    }

                    if (WriteLine == true)
                    {
                        // remove files that don't exist
                        mc = Regex.Matches(s, "file=\"(.*)\"");
                        if (mc.Count > 0)
                        {
                            try
                            {
                                string lua = "";
                                foreach (Match match in mc)
                                {
                                    lua = System.IO.Path.Combine(InstallPath, "interface", "addons", "ZygorGuidesViewer", "Guides", match.Groups[1].Value);
                                    if (System.IO.File.Exists(lua))
                                    {
                                        new_data.Add(s);
                                    }
                                }

                            } catch (Exception e)
                            {
                                new_data.Add(s);
                            }
                        } else
                        {
                            new_data.Add(s);
                        }
                    }
                }
            }
            System.IO.File.Copy(file, file + "-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bak", false);
            System.IO.File.WriteAllLines(file, new_data);

        }

        public static T GetValue<T>( string registryKeyPath, string value, T defaultValue = default(T) )
        {
            T retVal = default(T);

            retVal = (T)Registry.GetValue(registryKeyPath, value, defaultValue);

            return retVal;
        }

        private static void GetWarcraftLocale()
        {
            string locale = "";
            locale = GetValue<string>(@"HKEY_CURRENT_USER\Software\Blizzard Entertainment\Battle.net\Launch Options\WoW", "LOCALE", "");
            if (locale.Length > 0)
            {
                Locale = locale;
                return;
            }
        }

        private static void GetWarcraftInstallPath()
        {
            string path = "";

            // 64 bit install path
            path = GetValue<string>(@"HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Blizzard Entertainment\World of Warcraft", "InstallPath", "");
            if (path.Length > 0)
            {
                InstallPath = path;
                return;
            }

            // 32 bit install path
            path = GetValue<string>(@"HKEY_LOCAL_MACHINE\SOFTWARE\Blizzard Entertainment\World of Warcraft", "InstallPath", "");
            if (path.Length > 0)
            {
                InstallPath = path;
                return;
            }
        }
    }
}