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using System; using System.IO; class Test { static void Main(string[] args) { readTxtFile(); writeTxtFile(); } public static void readTxtFile() { try { // Create an instance of StreamReader to read from a file. // The using statement also closes the StreamReader. //StreamReader sr = new StreamReader(@"D:\a.txt"); using (StreamReader sr = new StreamReader("TestFile.txt")) { String line; // Read and display lines from the file until the end of // the file is reached. while ((line = sr.ReadLine()) != null) { Console.WriteLine(line); } } } catch (Exception e) { // Let the user know what went wrong. Console.WriteLine("The file could not be read:"); Console.WriteLine(e.Message); } } public static void writeTxtFile()//(string[] args) { string[] strs = new string[] { "10.100.182.89", "10.100.182.90" }; using (FileStream fileStream = File.OpenWrite("D:\\test.txt")) { using (StreamWriter writer = new StreamWriter(fileStream)) { foreach (string s in strs) { writer.WriteLine(s); } writer.Close(); } } } }
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