c# - Creating a new file each time program runs -

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I am currently adding this to my file for each loop: 

  By using (streamdriter sw = file .updated text (path)) {stringbuilder builder = new stringbillder (); . Builder.Append (LastName.Trim ()) attached ("\ t"); // more stuff

But every time the user runs the program, I want to make the file from scratch. This file is currently being created if it does not exist - which is good - but it is also included at the end of the previously created file.

You can use 

 using the  // file Once (TextWriter Writer = File. CreateText (Path)) {Add content to the file inside the (int i = 0; i & lt; iterations; i ++) {// loop author} Writite (LastName.Trim ()); // etc ...}}

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