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README.md

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1. Install

  1. go mod init hello-cli
  2. go get -u github.com/spf13/cobra

2. Init Project

  1. cobra-cli init
  2. cobra-cli add greetgl

3. Write a application code(update cmd/greet.go)

  1. Print Hello World
  2. Print Hello ${name}, default name is World
  3. (Print Hello ${name}, default name is World) * ${count}, default count is 1

4. Results

execute_image

5. Write the makefile