On Sat, Nov 03, 2018 at 05:19:13PM +0000, Peter Flynn wrote:
> On 03/11/2018 11:49, Peter Flynn wrote:
> [...]
> > That seems to be clean, but /usr/share/applications/mimeinfo.cache
> > isn't. Can I just delete it manually, or is there a procedure to flush
> > it out?
> 
> I just edited it and removed the bogus association for GIMP.

See update-desktop-database(1) for more info on what generates these.

> All working fine (but of course I have no idea what random application
> was the cause). Many applications make a land-grab for their pet MIME
> media-type and happily stomp on the associations that a user prefers.

Apps list their supported mime types in their .desktop file.  That's how file
managers get a reasonable list of apps that support a given file.  So gimp gets
associated with application/pdf since gimp's .desktop file indicates that it
can handle PDFs.  See /usr/share/applications/gimp.desktop, at the bottom.

In an E session, does your env have XDG_CURRENT_DESKTOP=enlightenment?  If not,
xdg-open may be falling back to a handler that doesn't pick up your
Enlightenment config.

Ross


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