Changing Last Opened Date on Mac X Lion

Nov 8, 2011
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There are utilities and a way to change the last created and last modified dates for mac files. However, in a number of windows the default sort for icons is by last opened date.

Since we share computers sometimes I don't want someone to so readily be able to find out the last document that I worked on. Is there a way to change the last opened date? The Touch -t and Touch -MT commands in terminal only seem to change the creation and modification dates.

I really don't want to reset the clock on the computer and open and close the file, although I guess that is a last option to take.

Thanks for the help. :D

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