issue_comments: 597491042

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https://github.com/pydata/xarray/issues/3853#issuecomment-597491042 https://api.github.com/repos/pydata/xarray/issues/3853 597491042 MDEyOklzc3VlQ29tbWVudDU5NzQ5MTA0Mg== 2444231 2020-03-11T07:50:43Z 2020-03-11T07:50:43Z NONE

Apparently this is possible by setting an environmental variable: http://www.pyngl.ucar.edu/NioFormats.shtml#GRIB1-user-defined-parameter-tables

So, if I have my codetable at /path/to/codetab; I can set NIO_GRIB_PTABLE_PATH=/path/to/codetab. I'm honestly not too happy with this solution. Would it be possible to add something like backend_env to open_dataset; where I can specify environmental variables that are active during opening, and then restore the environment afterwards?

 
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