Prune ~/.local/share/recently-used.xbel of missing/old files
Submitted by John Stowers
Link to original bug (#653064)
Description
My recently-used.xbel grows to a large size (which is not a problem in itself) and after some time contains many files that no longer exist.
The large size makes gnome-shell slow, and the non-existent files make the gnome-shell recently used search less useful.
g-s-d could parse recently-used.xbel and remove missing files (on local mounted filesystems).
There is precedent for this in the thumbnail cache cleaning, and it was suggested in the initial GtkRecent implementation http://blogs.gnome.org/ebassi/2008/03/23/time-to-build/