You are now in the directory for the port "games/gnurobots" (package name "gnurobots-1.0D").
This is the one-line description for this port:
GNU diversion wherein Scheme-coded robots explore a world
Please read the "description file" for a longer description.
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This port requires package(s) "guile-1.4" to build.
This port requires package(s) "guile-1.4" to run.