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Adding an extension in developer mode *without* drag & drop
The Opera Extension documentation says:"You can simply drag and drop the config.xml onto an open Opera window or its application icon, and the extension will be activated in the so-called “developer mode”."
Very useful. However, I don't have any graphical file browser, and I'd prefer to keep it that way

Is there any way to open an extension in developer mode without drag & drop? I tried using File -> Open and I looked at the commandline options with opera -help ...
Thanks!
This works for me in 11.64 under FreeBSD: in the root directory of an extension (where your config.xml file is) just type
And Opera opens 'Manage Extensions' tab & installs the extension in developer mode.
$ opera config.xml
And Opera opens 'Manage Extensions' tab & installs the extension in developer mode.
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