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Re:Q: A faster re-implementaiton of jq written in Reason Nat... by jeffbee on Monday September 14, 2020 @01:11PM (#24472558)
Works in other shells, not just bash

  % cat /proc/self/cmdline <(echo $SHELL) | tr '\0' ' '
  cat /proc/self/cmdline /proc/self/fd/11 /bin/zsh
Re:Q: A faster re-implementaiton of jq written in Reason Nat... by jraph on Monday September 14, 2020 @01:14PM (#24472585)
Yep! Zsh supports a lot of bashisms :-)

It won't work in dash though, and you should not use this in a shell that targets POSIX.