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ReadDir and DirEntry

Let’s learn about the functionality of ReadDir and DirEntry.

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This lesson discusses os.ReadDir() and os.DirEntry. However, it begins by discussing the deprecation of the io/ioutil package—the functionality of the io/ioutil package has been transferred to other packages. So, we have the following:

os.ReadDir(), which is a new function, returns []DirEntry. This means that it can’t directly replace ioutil.ReadDir(), which returns []FileInfo. Although neither os.ReadDir() nor os.DirEntry offer any new functionality, they make things faster and simpler, which is important.
The os.ReadFile() function directly replaces ioutil.ReadFile(). ...

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Course Introduction

Introduction to Go

Basic Go Data Types

Composite Data Types

Reflection and Interfaces

Go Packages and Functions

Telling a UNIX System What to Do

Go Concurrency

Building Web Services

Working with TCP/IP and WebSocket

Working with REST APIs

Code Testing and Profiling

Working with gRPC

Go Generics

Conclusion

Appendix A—Go Garbage Collector

ReadDir and DirEntry