On 04/05/2020 14:50, Simon McVittie wrote: > Taking a step back from "tell me the default email client", what are > you actually trying to do, at a high level? I suspect that rather > than manipulating the default email client (which is a job for desktop > configuration applications like gnome-control-center), you probably want > to compose an email? Yup. > If your goal is to pre-fill the To/Subject/body of an email in the user's > preferred email composition application, you would probably be better > off building a mailto: URI and asking your preferred library (in your > case that seems to be GLib/GTK?) to launch the preferred handler for that > URI. In GLib/GTK, try using APIs like g_app_info_launch_default_for_uri(). Thanks for that. I'll take a look. Not sure how to call that from Perl, yet, but I'll work it you. > Or you could use xdg-email(1) from the xdg-utils package. It's a large > shell script that tries to do various legacy desktop-specific and/or > client-specific things in addition to the freedesktop.org URI-handler code > path, so might work better in legacy environments, at the cost that if > a desktop has moved from legacy desktop-specific APIs to freedesktop.org > APIs and xdg-utils hasn't been updated, it will continue to do the legacy > thing (even if that's now wrong). That was my fallback, as when I first added the functionality, it didn't always do the right thing. It looks as though it is much better, now. Thanks again for the detailed explanation - and also to the others that answered. Regards jeff
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