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How to Calculate a SHA Checksum on all Files in a Directory

It took me some time to figure this one out, so I figured I would share this with everybody on the internet.  I had a directory with a bunch of tgz files and I wanted to make a checksum on every single file without having to write a script, I always knew that the find command had an “exec” option, but I had problems with the redirection.  After some trial-and-error, here is the command I used, it worked out perfectly!

find . -name “*.tgz” -exec sha256sum {} > checksums.sha256 \;

The results were a simple file that I could use to verify that I did indeed download the files off of my server without any corruption.

It took me some time to figure this one out, so I figured I would share this with everybody on the internet.  I had a directory with a bunch of tgz files and I wanted to make a checksum on every single file without having to write a script, I always knew that the find command had an “exec” option, but I had problems with the redirection.  After some trial-and-error, here is the command I used, it worked out perfectly!

find . -name “*.tgz” -exec sha256sum {} > checksums.sha256 \;

The results were a simple file that I could use to verify that I did indeed download the files off of my server without any corruption.

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