check if string exists in a file

Question

I have the following piece of code which opens a text file and reads all the lines in the file and storing it into a string array.

Which then checks if

Answer 1

Try try catch:

string x;

string log = @"C:\Users\Log.txt";

string ruta = @"C:\Users\x.txt";

if (File.Exists(ruta))
{                    
    try
    {
        x = File.ReadAllText(ruta);  
    }
    catch (Exception ex)
    {
        File.AppendAllText(ruta, "Something");
        File.AppendAllText(log, Environment.NewLine + DateTime.Now.ToString() + ": The file not contain a string. " + ex.Message);
    }
}