You are now in the directory for the port "graphics/pnmtopng" (package name "pnmtopng-2.37.1").
This is the one-line description for this port:
Converter between PNG and portable anymap images.
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "XFree86-3.3.2 jpeg-6b netpbm-94.3.1 png-1.0.2 tiff-3.4" to build.
This port requires package(s) "XFree86-3.3.2 png-1.0.2" to run.