Set default applications for certain filetypes

April 23, 2010 · Posted in Gentoo, Linux · 5 Comments 

Having migrated recently from kde4 to openbox, I am still trying to make it as usable as possible.  A couple of days ago I had to figure out a way to change the default application for some kind of filetypes such as pdf, mp3, mpeg etc. Back in kde4 times, this was possible through a specific menu on system-setting control panel. In openbox there is no such panel ( or I couldn’t find one, so if you know one plz tell me ) so I didn’t know where to look for. Fortunately after some digging on google pages, I found the place where the systems stores the default applications for all the mime types. This is:


/home/$user/.local/share/applicaions/defaults.list

So, below you many find my current defaults.list so you can understand how to setup your own list of your preferred applications

[Default Applications]
video/x-msvideo=smplayer.desktop
application/pdf=kde4-okularApplication_pdf.desktop
video/mp4=smplayer.desktop
image/jpeg=kde4-gwenview.desktop

You may find all the possible mime types by looking into /usr/share/mime/types file and all the possible .desktop files on /usr/share/applications/ :)

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