Channel 9 Forums - Tech Off - How do you programatically open a file in c# to append?

Tech Off - How do you programatically open a file in c# to append?

complete — Sat, 17 Nov 2012 13:23:44 GMT

How do you programatically open a file in c# to append?

I tried searching online for an example and so far I have not found anything.

There is System.IO.StreamWriter and there is System.IO.StreamReader but there is no StreamAppend. Is there some way to use StreamWriter without overwritting the content of the existing file? Is there some way to use System.IO.Stream with some sort of appending criteria?

Tech Off - How do you programatically open a file in c# to append?

lensman — Sat, 17 Nov 2012 13:47:48 GMT

Using intellisense only:

System.IO.FileStream fs = System.IO.File.Open("filename", System.IO.FileMode.Append);

is one of the many ways you could do it.

Tech Off - How do you programatically open a file in c# to append?

Sven Groot — Sun, 18 Nov 2012 09:23:42 GMT

If you want to use StreamWriter, simply use the StreamWriter(string path, bool append) constructor:

using( StreamWriter writer = new StreamWriter("filename", true) )
{
    // Append stuff here.
}