Which port provides fig2dev?

[Kai Grossjohann]

Is there a way for me to find out which port provides the fig2dev
binary?  I tried pkg_which and ports_glob, but I think that the former
operates on installed ports only, and the latter operates on port
names only.

Hm.  Ah, I could "grep fig2dev /usr/ports/*/*/pkg-plist", but is that
the only way?

Kai

PS: fig2dev was meant as an example; "portinstall transfig" is running
    already.