Catch file read exception and retry : Stream Read Write : File Stream C# Source Code

Catch file read exception and retry

    
 
using System;
using System.IO;

class Retry {
    static void Main() {
        StreamReader sr;

        int attempts = 0;
        int maxAttempts = 3;

    GetFile:
        Console.Write("\n[Attempt #{0}] Specify file " + "to open/read: ", attempts + 1);
        string fileName = Console.ReadLine();

        try {
            sr = new StreamReader(fileName);
            string s;
            while (null != (s = sr.ReadLine())) {
                Console.WriteLine(s);
            }
            sr.Close();
        } catch (FileNotFoundException e) {
            Console.WriteLine(e.Message);
            if (++attempts < maxAttempts) {
                Console.Write("Do you want to select another file: ");
                string response = Console.ReadLine();
                response = response.ToUpper();
                if (response == "Y") goto GetFile;
            } else {
                Console.Write("You have exceeded the maximum retry limit ({0})", maxAttempts);
            }
        } catch (Exception e) {
            Console.WriteLine(e.Message);
        }

    }
}

 
    
   
  
   

Related in same category :
• Use StreamWriter to create a text file
• Reading from a text file line by line
• Read data in line by line
• StreamReader.ReadLine
• Construct StreamWriter from FileSream
• Create a StreamWriter in UTF8 mode
• StreamReader And Writer
• illustrates reading and writing text data
• Asynchronously reads a stream
• The use of a buffered stream to serve as intermediate data holder for another stream
• Demonstrates attaching a StreamReader object to a stream
• Demonstrates attaching a StreamWriter object to a stream
• A simple key-to-disk utility that demonstrates a StreamWriter