[blog/bgpscanner-backwards-compat] Include a special thanks to Rich POSIX shell scripts page

3 years ago · c64976ab66
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@ -95,3 +95,7 @@ it was fun for me to write.
 Happy hacking!
 Lorenzo Cogotti
 > P.S. A gigantic and special thank you to [Rich's sh (POSIX shell) tricks](https://www.etalabs.net/sh_tricks.html),
 > for its enlightening list of shell recipes. In my opinion one of the most fundamental reads that anybody writing
 > a shell script should go through.