There are multiple guidelines as to how to set up cgi for perl on macos or linux.

This post keeps notes of how to set up cgi on MACOS.

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ln -s /Library/WebServer/CGI-Executables ~/www/cgi-bin
cd ~/www/cgi-bin

put scripts in this dir and access it using the link “localhost/cgi-bin/filename”

you may need to change the permission of the script to “755” if needed.