just reading a tar

.gitignore

@@ -10,3 +10,5 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+
+image

tar-read.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"archive/tar"
+	"fmt"
+	"io"
+	"os"
+)
+
+func main() {
+	f, err := os.Open("image/cache.tar")
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	defer f.Close()
+
+	// gzf, err := gzip.NewReader(f)
+	// if err != nil {
+	// 	fmt.Println(err)
+	// 	os.Exit(1)
+	// }
+
+	tarReader := tar.NewReader(f)
+
+	for {
+		header, err := tarReader.Next()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		name := header.Name
+
+		switch header.Typeflag {
+		case tar.TypeDir:
+			continue
+		case tar.TypeReg:
+			fmt.Println("File: ", name)
+			// show the contents
+			// io.Copy(os.Stdout, tarReader)
+		default:
+			fmt.Printf("%s : %c %s %s\n",
+				"hmmm?",
+				header.Typeflag,
+				"in file",
+				name,
+			)
+		}
+	}
+}