How do you write a file in a StreamWriter?

The following code snippet creates and writes different content to the stream.

1. using (StreamWriter writer = new StreamWriter(stream, Encoding.UTF8 ))
2. {
3. // Write a char.
4. writer.Write(‘y’);
5. // Write a char[]
6. char[] arr = { ‘1’, ‘3’, ‘5’, ‘7’ };
7. writer.Write(arr);
8. string author = “Mahesh Chand”;

Does StreamWriter create file C#?

C# StreamWriter append text We can create a StreamWriter that will append text to the file. public StreamWriter(string path, bool append); If the file exists, it can be either overwritten or appended to. If the file does not exist, the constructor creates a new file.

How does the streamwriter class work in C #?

StreamWriter class in C# writes characters to a stream in a specified encoding. StreamWriter.Write () method is responsible for writing text to a stream. StreamWriter class is inherited from TextWriter class that provides methods to write an object to a string, write strings to a file, or to serialize XML.

How to specify a path for a streamwriter?

We also see how you can specify a full path. New: A new StreamWriter is initialized and it opens “C:\\\\log.txt” for appending. The second argument (true) specifies an append operation. Append: The first line is appended to the file. If it is empty, the file begins with that string.

How to append text to a file with streamwriter?

It is easy to append text to a file with StreamWriter. The file is not erased, but just reopened and new text is added to the end. We also see how you can specify a full path. New: A new StreamWriter is initialized and it opens “C:\\\\log.txt” for appending. The second argument (true) specifies an append operation.

How to write a char array in streamwriter?

StreamWriter.WriteLineAsync () method writes a char or char array to a new asynchronously. The method returns a Task that represents the asynchronous write operation. The following code snippet creates and writes a new line for each char to the stream. UnicodeEncoding encoder = new UnicodeEncoding ();