• Apple OS X

  copied folders

  Posted by Dustin Ward on September 21, 2010 at 4:51 pm

  I copied all of my folders and projects over to a larger drive. When I say to “Get Info”, the copied drive is 975GB and the master is 1.4TB. How did this happen? Is there a plug-in or something that will search out the difference?

  Dustin Ward replied 15 years, 7 months ago 2 Members · 2 Replies
• 2 Replies

• 

  Craig Thomas quinlan

  September 21, 2010 at 6:26 pm

  Yeah you can do this in Terminal easily. The command is “diff”: this will give you a list of differences between two volumes or directories. It looks like this

  diff -rq FolderA FolderB

  the ‘r’ flag to recursively compare all subdirs, and the ‘q’ for brief output, only showing the differences. If you’re not comfortable in CL that’s fine, just open Terminal and type

  diff -rq

  then put a space in, drag (from Finder) the first directory, then drag in the second directory, hit enter. Terminal will populate the directory location if you drag folders in.

  This is the fastest way to get a list of files that never made it from A to B. Do a ‘man diff’ to get more options if you want them.
• 

  Dustin Ward

  September 21, 2010 at 7:29 pm

  diff -rq /Volumes/MEGATRON/\ TFH /Volumes/DUSTIN/\ TFH
  Files /Volumes/MEGATRON/ TFH/4th of July/2010/.DS_Store and /Volumes/DUSTIN/ TFH/4th of July/2010/.DS_Store differ

  This is what terminal came up with, but i pulled up the info on the 2010 folders and they are exactly the same.

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