Index: trunk/tests/test_chunkData.py
===================================================================
diff -u
--- trunk/tests/test_chunkData.py	(revision 0)
+++ trunk/tests/test_chunkData.py	(revision 118)
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Fri May 15 13:35:08 2020
+
+@author: alvareza
+"""
+
+from netCDF4 import Dataset
+
+#%%
+pathwave = r'p:\metocean-data\open\ERA5\data\Global\Hs\era5_Global_Hs_1986.nc'
+pathslp = r'p:\metocean-data\open\ERA5\data\Global\msl_p\era5_Global_msl_p_1986.nc'
+
+pathchunk=pathwave
+#%% CHunk data
+dimedict = ['time':1000,'longitude':10,'latitude':10]     
+        
+with netCDF4.Dataset(os.path.join(pathchunk),'r') as src, netCDF4.Dataset(os.path.join(os.getcwd(),'chunk_'+os.path.basename(pathchunk)), "w") as chunk:
+    # copy global attributes all at once via dictionary
+    dst.setncatts(src.__dict__)
+    # copy dimensions
+    for name, dimension in src.dimensions.items():
+        dst.createDimension(
+            name, (dimedict[dimension] if not dimension.isunlimited() else None))
+    # copy all file data except for the excluded
+    for name, variable in src.variables.items():
+        if name not in toexclude:
+            x = dst.createVariable(name, variable.datatype, variable.dimensions)
+            dst[name][:] = src[name][0:dimedict[name]]
+            # copy variable attributes all at once via dictionary
+            dst[name].setncatts(src[name].__dict__)
+
+## SEALEVEL PRESSURE
+            
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