You are now in the directory for the port "x11/gtk-theme-switch" (package name "gtk-theme-switch-0.4").
This is the one-line description for this port:
A command line tool for switching GTK+ themes
Please read the "description file" for a longer description.
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This port requires package(s) "XFree86-3.3.6_4 gettext-0.10.35 glib-1.2.8 gtk-1.2.8" to build.
This port requires package(s) "XFree86-3.3.6_4 gettext-0.10.35 glib-1.2.8 gtk-1.2.8 imlib-1.9.8.1 jpeg-6b libungif-4.1.0b1 p5-Gtk-0.7004 png-1.0.8_1 tiff-3.5.5" to run.