<!DOCTYPE html><html><head><title></title><style type="text/css">p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div style="font-family:Arial;">Hi,<br></div><div style="font-family:Arial;"><br></div><div>On Tue, Feb 4, 2025, at 13:56, Even Rouault via gdal-dev wrote:<br></div><blockquote type="cite" id="qt" style=""><div>A PR to add .zarr as an extension for the Zarr driver ? Is it
recommended by the Zarr spec (can't find anything) or considered a
best practice ? This wasn't my impression, although that would
certainly be desirable.<br></div></blockquote><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Their <a href="https://zarr.readthedocs.io/en/stable/quickstart.html">quickstart</a> uses .zarr as the extension and the v3 <a href="https://zarr-specs.readthedocs.io/en/latest/v3/core/v3.0.html">spec</a> says:<br></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">> When storing a Zarr hierarchy in a filesystem-like store (e.g. the local
filesystem or S3) as a sub-directory, it is recommended that the
sub-directory name ends with <code style="border-top-width:1px;border-top-style:solid;border-top-color:rgb(204, 204, 204);border-right-width:1px;border-right-style:solid;border-right-color:rgb(204, 204, 204);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(204, 204, 204);border-left-width:1px;border-left-style:solid;border-left-color:rgb(204, 204, 204);border-image-outset:0;border-image-repeat:stretch;border-image-slice:100%;border-image-source:none;border-image-width:1;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(246, 246, 246);background-position-x:0%;background-position-y:0%;background-repeat:repeat;background-attachment:scroll;background-image:none;background-size:auto;background-origin:padding-box;background-clip:border-box;font-family:menlo, consolas, monospace;font-size:90%;padding-top:1px;padding-right:3px;padding-bottom:1px;padding-left:3px;">.zarr</code> to indicate the start of a hierarchy
to users.<br style="max-width:100%;height:auto;"></div><div style="font-family:Arial;"><br></div><div style="font-family:Arial;">Laurentiu<br></div></body></html>