diff --git a/pyproject.toml b/pyproject.toml
index 4489f92..6884b61 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rda_python_common"
-version = "1.0.41"
+version = "1.0.42"
 authors = [
   { name="Zaihua Ji", email="zji@ucar.edu" },
 ]
diff --git a/src/rda_python_common/PgFile.py b/src/rda_python_common/PgFile.py
index 5f70137..8aef37f 100644
--- a/src/rda_python_common/PgFile.py
+++ b/src/rda_python_common/PgFile.py
@@ -1636,7 +1636,7 @@ def local_file_stat(file, fstat, opt, logact):
 
    info = {}
    info['isfile'] = (1 if stat.S_ISREG(fstat.st_mode) else 0)
-   info['data_size'] = fstat.st_size
+   info['data_size'] = fstat.st_size if info['isfile']  else local_path_size(file)
    info['fname'] = op.basename(file)
    if not opt: return info
    if opt&64 and info['isfile'] and info['data_size'] < PgLOG.PGLOG['MINSIZE']:
@@ -1665,6 +1665,18 @@ def local_file_stat(file, fstat, opt, logact):
 
    return info
 
+#
+# get total size of files under a given path
+#
+def local_path_size(pname):
+
+   if not pname: pname = '.'   # To get size of current directory
+   size = 0
+   for path, dirs, files in os.walk(pname):
+      for f in files:
+         size += os.path.getsize(os.path.join(path, f))
+   return size
+
 #
 # check and get file status information of a file on remote host
 #
@@ -2557,7 +2569,7 @@ def rda_file_size(file, host, opt = 0, logact = 0):
 #
 def local_file_size(file, opt = 0, logact = 0):
 
-   if not op.isfile(file):
+   if not op.exists(file):
       if opt&4: lmsg(file, PgLOG.PGLOG['MISSFILE'], logact)
       return -1   # file not eixsts