Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter01/recipe05.
2. Navigate to the directory.
3. Create the main.go file with the following content:

        package main        import (          "fmt"          "os"          "path/filepath"        )        func main() {          ex, err := os.Executable()          if err != nil {            panic(err)          }          // Path to executable file          fmt.Println(ex)          // Resolve the direcotry          // of the executable          exPath := filepath.Dir(ex)          fmt.Println("Executable path :" + exPath)           // Use EvalSymlinks to get          // the real path.          realPath, err := filepath.EvalSymlinks(exPath)          if err != nil {            panic(err)          }          fmt.Println("Symlink evaluated:" + realPath)        }

4. Build the binary by the command go build -o binary.
5. Execute the binary by the Terminal call ./binary.
6. See the output. It should display the absolute ...