Remove OS X Quarantine Extended Attributes from Files

The quarantine attribute can be incorrectly set by Gatekeeper and prevent applications from running.

To recursively remove the quarantine attribute in a directory:

find . | xargs xattr -d com.apple.quarantine

Source: http://pecunia.nerdcamp.net/blog/2011/02/mac-os-x-remove-quarantine-status-from-files

Background: http://www.usacybercrime.com/paperclip/speaker_management/14CC/presentation_file_distribution/175/218f932327459f77b020552bfa42c00d7c77443c.pdf