Data commit

Task/Truncate-a-file/C-sharp/truncate-a-file.cs

@@ -0,0 +1,28 @@
+using System;
+using System.IO;
+
+namespace TruncateFile
+{
+    internal class Program
+    {
+        private static void Main(string[] args)
+        {
+            TruncateFile(args[0], long.Parse(args[1]));
+        }
+
+        private static void TruncateFile(string path, long length)
+        {
+            if (!File.Exists(path))
+                throw new ArgumentException("No file found at specified path.", "path");
+
+            using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Write))
+            {
+                if (fileStream.Length < length)
+                    throw new ArgumentOutOfRangeException("length",
+                                                          "The specified length is greater than that of the file.");
+
+                fileStream.SetLength(length);
+            }
+        }
+    }
+}