C#

// uses an array of 256 integers, assumed to be initialized to zero
static void AnalyseFile(uint* value) {
    // histogram
    foreach(char c in Contents) value[(int)c]++;
    // now add upper-case count to lower-case count, result in positions 97-122
    foreach(char uc in "ABCDEFGHIJKLMNOPQRSTUVWXYZ") {
        value[(int)uc.ToLower()]+=value[(int)uc];
}

using System;
using System.Text;
using System.IO;
//using System.Diagnostics;

namespace CharacterReader
{
    unsafe class Program
    {
        static readonly byte[] Letter = new byte[26];//stores each letter in the alphabet
       // static Stopwatch stopWatch = new Stopwatch();
        static string _fileName;//filename to search for

        //static uint[] value = new uint[26];
        [STAThread]//allows a windos form controll to be called on an single thread
        static void Main()
        {
            using (System.Windows.Forms.OpenFileDialog open = new System.Windows.Forms.OpenFileDialog())
            {
                if (open.ShowDialog().Equals(System.Windows.Forms.DialogResult.OK))
                {

                    _fileName = open.FileName;

                }
            }


            uint* value = stackalloc uint[26];
            Load();//loads the alphabet into Letters
            Console.WriteLine("Reading File...");
           // stopWatch.Start();
            ReadFile( _fileName);
            Console.WriteLine("Analysing file...");
            AnalyseFile(ref value);
            Console.WriteLine("Done!");
            GetTotal(ref value);
            //stopWatch.Stop();
           // Console.WriteLine(stopWatch.Elapsed.TotalMilliseconds);
            Console.ReadKey();

        }
        static int _index;//used for various things throughout
        static int _i;//used for loops
        static void Load()
        {

            for (byte i = 97; i < 123; i++)
            {
                Letter[_index] = i;
                _index++;
            }
            _index = 0;
        }

        const int BufferSize = 512;//buffersize to store the files contents while reading
        static readonly StringBuilder Contents = new StringBuilder(99999);//stores the text read
        static private void ReadFile(string filename)
        {

            FileStream fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);

            StreamReader streamReader = new StreamReader(fileStream);

            char[] fileContents = new char[BufferSize];


            int* ptr = stackalloc int[1];
            *ptr = streamReader.Read(fileContents, 0, BufferSize);
            while (*ptr > 0)
            {
                Contents.Append(fileContents);
                *ptr = streamReader.Read(fileContents, 0, BufferSize);
            }
            streamReader.Close();
            fileStream.Close();


        }


        static void AnalyseFile(ref uint* value)
        {
            byte charPtr;
            for (_i = 0; _i < Contents.Length; _i++)
            {
                charPtr = (byte)Contents[_i];//gets a character from stream

                if (charPtr < 65) continue;//ignoring less than A
              
                if (charPtr > 122) continue;//ignoring less than A
                if (charPtr > 90 && charPtr < 97) continue;//ignoring less than A

                if (charPtr < 97)//if upper, shift it to 0-25
                {
                    value[charPtr - 65] += 1;
                }
                else
                {
                    value[charPtr - 97] += 1;
                }

            }
        }


        static void GetTotal(ref uint* value)
        {

            uint* biggestValue = stackalloc uint[1];


            for (_i = 0; _i < 26; _i++)
            {
                if (*biggestValue >= value[_i]) continue;
                *biggestValue = value[_i];
            }

            for (_i = 0; _i < 26; _i++)
            {
                if (!(*biggestValue).Equals(value[_i])) continue;
                _index = _i;
                break;
            }

            Console.WriteLine("The most common char is {0} with {1} hits", (char)Letter[_index], *biggestValue);
        }


    }
}

andyxfun wrote:

just like being a normal internet user requesting that the php is executed but without the need of any php-generated interface

andyxfun wrote:

,just taking advantage of the server-side characteristics of php.

andyxfun wrote:

i wonder,can c# take some details that could be returned by php,maybe picking up info from cookies left on the host machine?

andyxfun wrote:

or maybe some session details?

andyxfun wrote:

can c# force a server to run a code generated right from the c# interface,maybe transferred through ftp?

andyxfun wrote:

awaiting some more exact instructions

andyxfun wrote:

i am really good at php but still suck at c# and need to finish a project for school and this would save alot of time...

I are Troll

AlexB47 wrote:

where is the more fast metod to write a txt file