You are now in the directory for the port "math/gnuplot" (package name "gnuplot-3.7").
This is the one-line description for this port:
A command-driven interactive function plotting program.
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "XFree86-3.3.3.1 gd-1.3 png-1.0.3" to build.
This port requires package(s) "XFree86-3.3.3.1 png-1.0.3" to run.