how to do intelligent file copy/update

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callagga


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Any advice re how to do an intelligent file copy/update from one drive to another.

BACKGROUND: I was to revert back from Lion to Leopard and I'm looking for an easy way to identify the files in my home directory that have changed since the Lion upgrade (i.e. diff between my Lion main disk, and my backup external drive which I have a superduper copy of the main disk just prior to upgrade).
 
chscag

chscag

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Compare the file dates to see which is the latest version.
 
scathe

scathe


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How comfortable are you with using the Terminal? :)

Code: 
find ./ -mtime +3 | xargs -I {} cp {} <location>

This would(should) find any files older than 3 days in the current folder (./) and copy them to <location>
 

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