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Sometimes when I use open in to open a file, the application spends ~45 seconds bouncing in the Dock, while the same file opens instantly when double-clicked from the finder.

Why does this happen? Is there any way to make open consistently fast?

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Cannot reproduce. Are these files that are quarantined after download? What version of OS X are you using? – Daniel Beck May 24 '11 at 18:46
Nope, locally created files. Right now 10.6.7, but I recall the problem happening at least as far back as 10.5. – blahdiblah May 24 '11 at 18:58
FWIW, I think I actually found a solution to this problem years ago, perhaps relating to locale detection problems, but I seem to have lost the fix. – blahdiblah May 24 '11 at 19:00
Locale as in the LANG environment variable? Also, have you checked the logs in /Applications/Utilities/ for anything interesting? – Daniel Beck May 24 '11 at 19:02
Yes, or LC_something, but as I say, I don't remember the details. Nothing in the logs. – blahdiblah May 24 '11 at 19:05
up vote 5 down vote accepted

I have previously experienced issues with quarantined files that were downloaded from the web and have the extended attribute set.

To see if this is the case for your file, ls -l@ filename.ext in Terminal.

To remove the extended attribute, run xattr -d filename.ext

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Brilliant! Thank you very much :-) – maayank May 12 '12 at 11:20

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