You are now in the directory for the port "sysutils/mkisofs" (package name "mkisofs-1.15.a39").
This is the one-line description for this port:
Create iso9660/Rock Ridge/Joliet filesystems
Please read the "description file" for a longer description.
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This port requires package(s) "expat-1.95.5 gettext-0.11.5_1 gmake-3.80 libiconv-1.8_2" to build.