html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/7403#issuecomment-1371540921,https://api.github.com/repos/pydata/xarray/issues/7403,1371540921,IC_kwDOAMm_X85RwA25,2443309,2023-01-04T23:24:46Z,2023-01-04T23:24:46Z,MEMBER,"I think the above example can be reduced to just: 

```python
ds = xr.Dataset()
ds.to_zarr('test.zarr')
ds.to_zarr('test.zarr')
```

An interesting data point here is that `to_netcdf` defaults to `w` mode. And this works fine:

```python
ds = xr.Dataset()
ds.to_netcdf('test.nc')
ds.to_netcdf('test.nc')
```

Personally, I'll make the argument that we should switch (carefully) from `-w` to `w` for the default case.","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1512290017