verify: starts of a checking function

tar/verify/example_xattr.go

@@ -0,0 +1,31 @@
+// +build ignore
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	verify "."
+)
+
+func main() {
+	for _, arg := range os.Args[1:] {
+		keys, err := verify.Listxattr(arg)
+		if err != nil {
+			fmt.Println(err)
+			continue
+		}
+		if len(keys) > 0 {
+			fmt.Printf("%s : %q\n", arg, keys)
+			for _, key := range keys {
+				buf, err := verify.Lgetxattr(arg, key)
+				if err != nil {
+					fmt.Printf("  ERROR: %s\n", err)
+					continue
+				}
+				fmt.Printf("  %s = %s\n", key, string(buf))
+			}
+		}
+	}
+}