What is the difference between File.WriteAllText() and File.AppendAllText()?

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Anubhav Sharma · Answer

The difference between File.WriteAllText() and File.AppendAllText() in C# is in how they handle existing file content: File.WriteAllText(path, contents) Overwrites the file if it already exists.Creates a new file if it doesn't exist.Use this when you want to replace the file’s content entirely. Example: If example.txt already has data, it will be replaced with "Hello, world!". File.AppendAllText(path, contents) Appends the text to the end of the file if it exists.Creates a new file if it doesn’t exist.Use this when you want to add content without deleting existing content. Example: If example.txt already has "Hello, world!", after this call it will contain: Summary Method Overwrites File Appends to File Creates File if Missing File.WriteAllText Yes No Yes File.AppendAllText No Yes Yes

What is the difference between File.WriteAllText() and File.AppendAllText()?

1 Answers

`File.WriteAllText(path, contents)`

`File.AppendAllText(path, contents)`

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What is the difference between File.WriteAllText() and File.AppendAllText()?

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1 Answers

File.WriteAllText(path, contents)

File.AppendAllText(path, contents)

Summary

`File.WriteAllText(path, contents)`

`File.AppendAllText(path, contents)`