Go has excellent built-in support for file operations. Using the os package, you can easily open, read from, write to and close the file. In this example, we focus on writing data to a file. We show you how you can write text and binary data in different ways - entire data at once, line by line, as an array of bytes in a specific place, or in a buffered manner.
Learn how to read the content of any file in Go - read an entire file, read a file line by line, read a file word by word, read a file in chunks