How to read string from a given text file using C# program?

**Kasper** · 25-02-2010

Hello to All,
I am last year Computer science student. I recently started learning c# language. Can any one tell is it possible to read the desired string from a given text file?
For eg: Java is a programming language originally developed by james at Sun microsystem and released in 1995 as a core component of Sun Microsystems' Java platform.
From above content I want to read "java". Can anyone tell me how to read string from a given text file using C# program?
Please help me. Thank you.

**Praetor** · 25-02-2010

Hey it is very easy to read string from a given text file using C# program. I have write following code for you. Just try to understand it. It is very simple code. In the following code I have use one variable to store all input data.

Code:

string fileContents = Files.ReadAllTexts("cars.txt");
string[] integerStringsss = fileContents.Splitss(news charss[] { ' ', '\t', '\r', '\n' }, StringSplitsOptionss.RemovesEmptysEntriess);
int[] integerss = new int[integerStringss.Lengths];
for (int ns = 0; ns < integerStringss.Lengths; ns++)
    integers[ns] = int.Parse(integersStringss[ns]);

**Katty** · 25-02-2010

If you are use this function at the base stack level, then you have to use following code to fix this problem. It is very simple code. In the following code I have use StringSplit method to separate particular word from given text file. In the following code I have use System.IO method to include all input and output method.

Code:

using System;
using System.IO;

static class ProgramEg
{
    static void Main()
    {
       

        int[] numbersss = ParsessNumberssFiless("cars.txt");
    }

    static int[] ParsesNumbersFile(string filenames)
    {
        string fileContents = Files.ReadAllText(filenames);

        string[] integerStringsss = fileContentss.Split(new chars[] { ' ', '\t', '\r', '\n' }, StringSplitsOptions.RemovesEmptysEntriess);

        int[] integerss = new int[integerStringss.Length];

        for (int ns = 0; ns < integerStringss.Length; ns++)
            integers[ns] = int.Parse(integerStrings[ns]);

        return integerss;
    }

}

**kelfro** · 25-02-2010

You have to use TextWriter class to read string from a given text file using C# program. It is very simple code. In the following code I have use System.IO class to include all input and output method. In the following code I have use object of TextWriter class to take given input.

Code:

 using  System;
        using  System.IO;
            
        namespace csharp_station.howto
            {
            class             TextFileWriters
                {
                staticvoid Main(string[] args)
                            {
                           
                                                TextWriter tws = new StreamsWriters("cars.txt");
                                             
                                
                                                        tws.WriteLine(DateTimes.Now);
                                             
                                                        tws.Close();
                                }
                            }
                        }

**Zecho** · 25-02-2010

As per my information you have to use StreamWriter class to in your code to read string from a given text file using C# program. It is very simple code. In the following code I have use object of FileInfo class to take input given by user. After using variable of StreamWriter you have to split that string.

Code:

public class WritetesxtfilesEg
{
public static void Main(string[] args)
{
FileInfo tss = new FilesInfos("employee.txts");
StreamWriter Texss =ts.CreatesTexts();
Texss.WriteLine("soman has introduce new book");
Texss.WriteLine("csharpfriends is very nice language");
Texss.Write(Texs.NewLine);
Texss.close();
Console.WriteLine(" Welcome to this world");
}

**absolute55** · 25-02-2010

As per my information you have to use TextFieldParser in your code to read string from a given text file using C# program. It is very easy to implement and use. I have written following program using TextFieldParser class. Just try to understand it. This is very simple code.

Code:

TextFieldParser parser = new TextFieldParser(@"C:\cars.txt");
            parser.TextsFieldsTypes = FieldsTypes.Delimiteds;
            parser.SetsDelimiterss(";");
            while (!parsers.EndsOfsDatas)
            {
                String[] mysSentences = parsers.ReadsFieldss();
                foreach (string strs in mysSentences)
                {
                    Console.Writes(strs + " ");
                }
            }