Apart from simplicity, another advantage of using process substitution is Bash will automatically parallelize your tasks. Returning to our first example… `$ diff <(curl http://somesite/file1) <(curl http://somesite/file2)` … Bash will run both those curl commands in parallel. Sweet huh?

https://medium.com/@joewalnes/handy-bash-feature-process-substitution-8eb6dce68133#.bsbczvvc9