Annoyed with 'Open with'

Overflowing Open With: Remove Duplicate Applications From the 'Open With' Menu, found via "mac multiple open with"

 

use onyx (or terminal) to rebuild launch services to get rid of the duplicates.

 

I have been annoyed with this for years! I'm still not positive exactly what causes it, but I know how to fix it. From Terminal run:

/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user

Then restart Finder:

killall Finder

That should eliminate the duplicates.

 

A little AppleScript that automates the rebuild process, and lets you know when it's done:

Code:

-- Rebuild Launch Services DB
-- BP2013
--Modified from:
-- Adam Bell 2013
-- http://macscripter.net/viewtopic.php?id=40534

say "begin"
set flushLaunchSvcDB to "/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user"
do shell script flushLaunchSvcDB
delay 1
do shell script "killall Finder"
say "done"

Save it as an App from Aplescript Editor.

 

http://www.mediafire.com/download.php?xkj1hsaxw3o35ud

This is an application that when run just runs the commands already posted in this thread, you can add it to your start up items and then you shouldn't run into the multi item problem any more.