I already tried this:

cd ~/Downloads
find . -print0 | xargs -0 xattr -d com.apple.quarantine

But it doesn't seem to work under Mac OS X 10.7 (aka. Lion) anymore:

xattr: ./cabin/Cabin-Bold.otf: No such xattr: com.apple.quarantine
  • I think this is more for SuperUser...
    – Corey Ogburn
    Jul 28 '11 at 20:59
  • display all extended attributes via xattr and see whether some new attribute is set on the file
    – Yahia
    Jul 28 '11 at 20:59
  • Unix type commands to configure one's Operating System... not really a programming question.
    – Sparky
    Jul 28 '11 at 21:01

I haven't tested this under Lion but

defaults write com.apple.LaunchServices LSQuarantine -bool NO

and then restarting should totally disable this functionality.

  • question : where should i put this setting?
    – ajreal
    Apr 26 '13 at 21:40

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