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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
using System.IO;
 
namespace CS_tests
{
    class Class1
    {
 
        static void Main(string[] args)
        {
 
            string textRead;
            string path = @"driverData.txt";
 
            if (File.Exists(path))
            {
                textRead = File.ReadAllText(path);
            }
 
            for (int i = 0; i < testRead.Length; i++)
            {
                Console.WriteLine(testRead[i]);
            }
            string w = Console.ReadLine();
 
        }
    }
}
 

prog.cs(24,33): error CS0103: The name `testRead' does not exist in the current context
prog.cs(26,35): error CS0103: The name `testRead' does not exist in the current context
prog.cs(28,20): warning CS0219: The variable `w' is assigned but its value is never used
Compilation failed: 2 error(s), 1 warnings

Standard output is empty