issue_comments: 1379504132

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https://github.com/pydata/xarray/issues/7403#issuecomment-1379504132 https://api.github.com/repos/pydata/xarray/issues/7403 1379504132 IC_kwDOAMm_X85SOZAE 39069044 2023-01-11T21:26:10Z 2023-01-11T21:26:10Z CONTRIBUTOR

Personally, I'll make the argument that we should switch (carefully) from -w to w for the default case.

This makes sense in principal for consistency with other i/o methods, but I think could go very wrong in practice, especially for inexperienced users.

For example, a misplaced command of ds.to_zarr("gs://bucket_name") with default mode="w" overwrites a user's entire bucket, and same thing for local storage. to_netcdf doesn't have the capability to rm -r a directory, so I would argue to_zarr(mode="w") is much more dangerous.

 
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