.NET Console Application Template

Here’s what I’ll use as the starting point for any new console application that I build. It includes simple logging to the console and to a file, dependency injection, and strongly typed configuration, including user secrets that don’t go to source control. Main.cs Program.cs appsettings.json secrets.json (in your user directory, not in the project directory) […]

Appending a binary file in C#

To add bytes to the end of a binary file, this is the basic code needed: If you’re potentially bringing in a lot of data, make sure you use a stream for the incoming data and write a little at a time. For a small amount of data, you can use a ReadOnlySpan<byte> instead of […]

Appending a text file in C#

Here are the basic ways of appending text to an existing file. Each of these will create a new file if the file does not already exist. Each are useful in different situations. All three of these have an equivalent Async version as well.

Writing to text file in C#

Here are the basic ways of writing text to a file. Each of these will create a new file, or overwrite if the file already exists. Each are useful in different situations. All three of these have an equivalent Async version as well.