diff --git a/README.md b/README.md
index a440b90..569d07f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 golang-vfstemplate
 =======================
 
+Golang library for parsing template files from virtual http filesystem (httpfs)
+
 ## Installation
 
 ```
diff --git a/util.go b/util.go
index b567151..eb91c6c 100644
--- a/util.go
+++ b/util.go
@@ -45,3 +45,13 @@ func ReadFileString(fs http.FileSystem, path string) (string, error) {
 	}
 	return string(buf), nil
 }
+
+// Exists reports whether the named file or directory exists in http.FileSystem.
+func Exists(fs http.FileSystem, name string) bool {
+	if _, err := Stat(fs, name); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}