[C#/Mono] File

wFile.cs

using System;
using System.IO;
using System.Text;
using System.Collections.Generic;

public class WFile
{
 public WFile() {
 }

 public static bool exist(string fileName) {
  return File.Exists(fileName);
 }
 
 public static bool space(char charValue) {
  return char.IsWhiteSpace(charValue);
 }
 
 public static string pathJoin(string dir, string file) {
  return Path.Combine( dir, file );
 }

 public static void delete(string fileName) {
  File.Delete(fileName);
 }

 public static void create(string fileName) {
  Directory.CreateDirectory(fileName);
 }
 
 public static string parent(string fileName) {
  return Path.GetDirectoryName(fileName);
 }

 public static string getDocumentFolder() {
        return Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
 }
 
 public static List<string> getDirectoryList(string fileName) {
  return new List<string>(Directory.EnumerateDirectories(fileName));
 }
     
 public static List<string> getDirectoryList2(string fileName) {
  System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(fileName);
  foreach( System.IO.FileInfo file in dir.GetFiles() ) {
   //file.FullName
   //file.Extension
  }
  return new List<string>();
 }
       
    public static void fileWriteBinary(string fileName, int intValue ) {
        using( FileStream fs = new FileStream(fileName, FileMode.CreateNew) ) {
            using( BinaryWriter w = new BinaryWriter(fs) ) {
                w.Write(intValue);
            }
        }  
 }

    public static int fileReadBinary(string fileName ) {
        using( FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read) ) {
            using( BinaryReader r = new BinaryReader(fs) ) {
    return r.ReadInt32();
            }
        } 
 }
 
    public static void fileWriteText(string fileName, string strValue ) {
        using( StreamWriter sw = new StreamWriter(fileName) ) {
   sw.Write( strValue );
        } 
 }  

    public void fileAppendText(string fileName, string strValue ) {
        using( StreamWriter sw = new StreamWriter(fileName, true) ) {
   sw.Write( strValue );
        } 
 }  
 
    public static async void fileWriteTextAsync(string fileName, string strValue ) {
        using( StreamWriter sw = new StreamWriter(fileName) ) {
   await sw.WriteAsync( strValue );
        } 
 }  

    public static string fileReadText(string fileName ) {
        using( StreamReader sr = new StreamReader(fileName) ) {
            return sr.ReadToEnd();
        } 
 } 
 
 /*
    public static async void fileReadTextASync(string fileName ) {
  try {
   using( StreamReader sr = new StreamReader("TestFile.txt") ) {
    string line = await sr.ReadToEndAsync();
    ResultBlock.Text = line;
   }
  }
  catch( FileNotFoundException ex ) {
   ResultBlock.Text = ex.Message;
  }
 } 
 */
 
 public static void fileWriteAllText(string fileName, string text) {
  File.WriteAllText( fileName, text);
 }
 
 public static void fileWriteAllText(string fileName, string[] lines) {
  File.WriteAllLines( fileName, lines);
 }
 
 public static char[] stringRead( string strValue, int len ) {
        using (StringReader sr = new StringReader(strValue)) {
   char[] b = new char[strValue.Length];
            sr.Read(b, 0, 13);
            return b;
        }  
 }
 
 public static string stringWrite() {
        StringBuilder sb = new StringBuilder();
        using( StringWriter sw = new StringWriter(sb) ) {
            sw.Write("string1");
            sw.Write("string2");
            return sb.ToString();
        }  
 }
}