Folder Structure

lr_gorpep/
|
├── LICENSE     # License information
├── README.md   # Project documentation
├── go.mod
├── go.sum
├── internal/   # internal packages
├── main.go     # the main entry point for your application. 
├── internal
└── pkg/        # packages
    └── grep/
        └── search.go

Explanation of each folder/file:

pkg/: This directory holds packages (libraries) that are used by your applications.
internal/: This directory is for packages that are internal to your project and should not be used by external projects. It helps to encapsulate functionality that is specific to your project.
go.mod and go.sum: These files are used for Go modules and dependency management¹.
README.md: Documentation for your project. It should include information about how to install, configure, and use your CLI app.
LICENSE:² Include a license file that specifies the terms under which your software is distributed.
main.go: This is the entry point that users will run from the command line to interact with your tool. It should handle command-line arguments and invoke the functionality provided by your grep/ package.

This structure provides a good separation of concerns and makes it easy to expand your project in the future. You can further break down the grep/ package if your application becomes more complex.

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Folder Structure

Footnotes