Try using file access properties

Print errcode

Add all the debug from Chat GSFC

Fix fortran

Fix double close

Clean up debug prints

Use v110 libver?

Reorder for comparison ease

Bring back old program

Fix up program

Fixes for types

Remove accidental file

Longer file names

Add debug prints

Try simple open

More tries

Try verbose checkcode

More tests

updates from Chat GPT 5

Remove debug prints

Author: mathomp4