You are now in the directory for the port "devel/ruby-setup.rb" (package name "ruby-setup.rb-3.1.2_1").
This is the one-line description for this port:
Common installer script for ruby packages
Please read the "description file" for a longer description.
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This port requires package(s) "ruby-1.6.8" to build.
This port requires package(s) "ruby-1.6.8" to run.