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<p>Loooong time ago you need to add both, but nowadays -append
automatically enables -update. Just clarified it in
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/commit/480456769abc11daae065bd112cb7361aa618636">https://github.com/OSGeo/gdal/commit/480456769abc11daae065bd112cb7361aa618636</a><br>
</p>
<div class="moz-cite-prefix">Le 12/12/2022 à 21:25, Rahkonen Jukka a
écrit :<br>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I saw this question <a
href="https://gis.stackexchange.com/questions/447359/what-is-the-effect-of-using-update-when-merging-geojsons-with-ogr2ogr"
moz-do-not-send="true" class="moz-txt-link-freetext">
https://gis.stackexchange.com/questions/447359/what-is-the-effect-of-using-update-when-merging-geojsons-with-ogr2ogr</a>
and started to think when the ogr2ogr option -update is
needed even when the -append option is used. At least for
some drivers -append alone seems to be enough but are there
some drivers that explicitly require also -update?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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<pre class="moz-signature" cols="72">--
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My software is free, but my time generally not.</pre>
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