You are now in the directory for the port "graphics/ruby-libpng" (package name "ruby-libpng-0.3.3_2").
This is the one-line description for this port:
A libpng wrapper class for Ruby
Please read the "description file" for a longer description.
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This port requires package(s) "png-1.0.8_1 ruby-1.6.2.p3 ruby-amstd-1.9.5 ruby-optparse-0.7.5 ruby-racc-runtime-1.2.4 ruby-rdtool-0.6.6 ruby-strscan-0.5.8" to build.
This port requires package(s) "png-1.0.8_1 ruby-1.6.2.p3" to run.