Creating temporary files

Temporary files are commonly used while running test cases or if your application needs to have a place to store short-term content such as user data uploads and currently processed data. This recipe will present the easiest way to create such a file or directory.

How to do it...

1. Open the console and create the folder chapter06/recipe02.
2. Navigate to the directory.
3. Create the tempfile.go file with the following content:

        package main

        import "io/ioutil"
        import "os"
        import "fmt"

        func main() {
          tFile, err := ioutil.TempFile("", "gostdcookbook")
          if err != nil {
            panic(err)
          }
          // The called is responsible for handling
          // the clean up.
          defer os.Remove(tFile.Name())

          fmt.Println(tFile.Name())

          // TempDir returns
          // the path in string.
          tDir, err := ioutil.TempDir("", "gostdcookbookdir")
          if err != nil {
            panic...