How can I calculate an md5 checksum of a directory?

Question

Can anyone tell me how to calculate the md5 checksum for all files which are in the *.py type placed under a directory and subdirectories? 

Answer 1

Check the code below to list all the files with .py extension. As you run this code, it calculates the md5 sum for each .py file and it returns the sorted list. 

find /path/to/dir/ -type f -name "*.py" -exec md5sum {} + | awk '{print $1}' | sort | md5sum

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