You could look at this:
File: ~/.config/gtk-3.0/settings.ini
gtk-recent-files-max-age=7
Value of "7" will force items to drop off if they are older than 7 days.
gtk-recent-files-limit=?
This parameter no longer exists ... as of GTK 3.10.
Available values were: [ -1| 0 | 0-# ]
You will need a starting template for the file that is mentionned.
File: ~/.local/share/recently-used.xbel
<?xml version="1.0" encoding="UTF-8"?>
<xbel version="1.0"
xmlns:bookmark="http://www.freedesktop.org/standards/desktop-bookmarks"
xmlns:mime="http://www.freedesktop.org/standards/shared-mime-info"
></xbel>
Status of parameters as shown on
