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Unity/Scripts/Utility/Path.cs

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+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+using System.Linq;
+namespace BITKit
+{
+    public static partial class Utility
+    {
+        public static class Path
+        {
+            [RuntimeInitializeOnLoadMethod]
+            static void Init()
+            {
+                dataPath = Application.dataPath;
+                persistentDataPath = Application.persistentDataPath;
+                currentDirectory = System.Environment.CurrentDirectory;
+            }
+            public static string dataPath { get; private set; }
+            public static string persistentDataPath { get; private set; }
+            public static string currentDirectory { get; private set; }
+            public static string Get(params string[] nextPaths)
+            {
+                currentDirectory = System.Environment.CurrentDirectory;
+                var path = currentDirectory;
+                var filePath = System.IO.Path.Combine(currentDirectory, "Assembly-CSharp.csproj");
+                if (File.Exists(filePath))
+                {
+                    path = System.IO.Path.Combine(path, "Assets");
+                }
+                foreach (var nextPath in nextPaths)
+                {
+                    path = System.IO.Path.Combine(path, nextPath);
+                }
+                return path;
+            }
+            public static string CombinePath(params string[] nextPaths)
+            {
+                string path = nextPaths[0];
+                for (int i = 1; i < nextPaths.Length - 1; i++)
+                {
+                    path += "/" + nextPaths[i];
+                }
+                path += "/" + nextPaths.Last();
+                return path;
+            }
+            public static IEnumerable<string> ReadAllFile(string folderPath, string filter = null)
+            {
+                if (Directory.Exists(folderPath))
+                {
+                    DirectoryInfo directoryInfo = new DirectoryInfo(folderPath);
+
+                    var files = directoryInfo.GetFiles()
+                            .OrderBy(x => x.LastWriteTime)
+                            .Select(x => x);
+                    if (filter.IsValid())
+                    {
+                        files = files.Where(x => x.Name.Contains(filter));
+                    }
+                    return files.Select(x => x.ToString());
+                }
+                return new List<string>();
+            }
+        }
+    }
+}