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ReadDir and DirEntry

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

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Coding example
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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(). ...

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