Comment 27 for bug 133133

see:
http://rubylution.ping.de/articles/2007/09/11/open-containing-folder-in-firefox-under-linux

Open Containing Folder in Firefox under Linux

Posted by flori on 09/11/2007

After Downloading a file in firefox and right-clicking on the filename in the download manager, you can choose the popup menu entry "Open Containing Folder". This should open a filebrowser for the directory this file was saved in. I have to admit, that this never worked for me under Linux, only under MacOS X and under Windows. I assume the reason for this is, that you have a lot of options under Linux, but no general default for a file manager. Firefox did never show a very smart reaction (and only displays an error) if no filebrowser could be found: Perhaps asking me what to do would be a good idea?

I finally couldn't take it anymore and researched how to configure this feature. I wanted XFCE4's file manager Thunar to be opened, so this is what you have to do: Open the about:config dialog in you location toolbar (or pick it from the Help menu). Now right click onto the configuration entry list, and choose New -> Boolean from the popup menu. Create the following two entries and set them both to true:

network.protocol-handler.expose.file = true (Boolean) network.protocol-handler.external.file = true (Boolean)

Now choose New -> String from the popup menu, and set the value to thunar:

network.protocol-handler.app.file = thunar (String)

This will start thunar with containing directory (with a file:// url) as an argument. You can as well use nautilus or konqueror or whatever here. Another possibility is to use open, which would cause firefox itself to open the directory as a file:// url.