Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter06/recipe03.
2. Navigate to the directory.
3. Create the writefile.go file with the following content:

        package main        import (          "io"          "os"          "strings"        )        func main() {          f, err := os.Create("sample.file")          if err != nil {            panic(err)          }          defer f.Close()          _, err = f.WriteString("Go is awesome!\n")          if err != nil {            panic(err)          }          _, err = io.Copy(f, strings.NewReader("Yeah! Go                            is great.\n"))          if err != nil {            panic(err)          }        }

4. Execute the code by running go run writefile.go in the main Terminal.
5. Check the content of the created sample.file: