[ncl-install] HDF5 and NC4 messages in NCL

[Christina Karamperidou]

Hello NCL-install 

I believe this may be an installation issue but I cannot trace it back to its source to make it stop. 
NCL (version 6.6.2) prints a list of messages when I read datasets. 
Examples: 

f5      = addfile ("test.nc", "r")
	NC4_open: path test.nc mode 4096 params 0
	HDF5 error messages turned on.
			nc4_open_file: path test.nc mode 4096
			nc4_grp_list_add: name / 
			nc4_rec_read_metadata: grp->hdr.name /
			found dataset lon
			found dataset lat
			found dataset lev

When I exit NCL (after having read the dataset), I get the following (with many similar lines following): 

ncl 1> exit
	NC4_close: ncid 0x10000
			nc4_close_hdf5_file: h5->path /test.nc abort 0
			nc4_rec_grp_HDF5_del: grp->name /
			closing HDF5 dataset 360287970189639751
			closing HDF5 dataset 360287970189639752
			closing HDF5 dataset 360287970189639753
			closing HDF5 dataset 360287970189639754
			closing HDF5 dataset 360287970189639756


Is there a way to mute these warnings/notifications? 
I tried uninstalling and reinstalling HDF5 and NCL via conda, but it didn’t help. 
I do not get these messages outside the ncl_stable environment, where I run NCL version 6.2.1.   

thank you,
Christina 

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