Hi Roxo, You are right, I can confirm this with a very recent build of QGIS:
- with extension we ask for confirmation of overwriting - without extension we silently overwrite an old file Please file an issue (https://github.com/qgis/QGIS/issues), this seems easily fixable. See https://qgis.org/en/site/getinvolved/development/bugreporting.html#bugs-features-and-issues Regards, Richard Duivenvoorde On 7/22/23 20:21, Fernando M. Roxo da Motta via QGIS-User wrote:
Hi all, Today I was exporting some QGis projects as PNG images (project>import/export>export map to image). At certain point I made a mistake and repeated the name of the previous map, and QGis happily overwrote the previous image, without asking before. I tried to repeat the action giving the full name of the file (map10.png) and QGis asked for confirmation. The difference was that the first time I gave jjust a name, without the "extension" .png. It seems that even if QGis will give the default "extension" to the filename, it does not verify the prior existence of the file after it attach the "extension". This was in a QGis 3.26.0 on Linux Xubuntu 20.04. I know that both the QGis and system are kind of old, but if this "feature" is present in current versions it can be cumbersome. Roxo
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