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reliable_file_copying_on_mac [2018/04/09 20:18] (current)
Dan Mundy created
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 +====== Reliable File Copying on Mac ======
  
 +I was looking for a way to copy a large folder, and verify that it had completed successfully,​ ie using checksums. Following are some notes on solutions I tried.
 +
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 +
 +===== Requirements =====
 +
 +  - Copy files
 +  - Verify (using checksum) that destination is the same as source
 +
 +===== rsync =====
 +
 +Everywhere you Google, this is the answer. But it didn't seem to do exactly what I wanted.
 +
 +The --checksum option is a "on subsequent runs" verification,​ ie you run the copy, then run it again and hopefully there are no changes.
 +
 +===== Beyond Compare =====
 +
 +I think this may be the closest I came to a solution. I've used this before on Windows. The thing I like about this is how it visually shows you any differences,​ and so when there aren't any, it's obvious that it completed successfully.
 +
 +===== Carbon Copy Cloner =====
 +
 +They say it's a GUI for rsync. I did get a pretty good "​feeling"​ that I could trust it when it says the copy completed successfully. But it's more of a "blind trust" feeling, than the "you don't need to blindly trust, because we will show you the results"​ feeling from Beyond Compare.
 +
 +===== Path Finder =====
 +
 +It has the "​verify copied files" option, but not much in the way of reporting success, and it actually crashed a few times for me. I didn't get the feeling that I could "​trust"​ that the tool is doing what it should be.
reliable_file_copying_on_mac.txt ยท Last modified: 2018/04/09 20:18 by Dan Mundy