diff --git a/binarycpython/utils/dataIO.py b/binarycpython/utils/dataIO.py
index 9f62f748ccdecb42b841b72b3bdcda5461310128..e63b29996057d6138432d0eaf0846e7cc8e6b37e 100644
--- a/binarycpython/utils/dataIO.py
+++ b/binarycpython/utils/dataIO.py
@@ -730,3 +730,13 @@ class dataIO():
         if vb:
             print("open() return file_object =",file_object)
         return file_object
+
+    def NFSpath(self,path):
+        """
+        Test path to see if it's on an NFS mount.
+        """
+        if os.path.exists(path) and os.path.ismount(path):
+            s = os.stat(path)
+            print(s)
+
+        # use `stat -f -L -c %T "$_[0]"`=~/^nfs/io ? 1 : 0;