macos - Visit URL in running Firefox instance from command line in OS X

I have Firefox 3.6 installed on my OS X (10.6) box. I would like to open an URL in the running Firefox instance (in a new tab or window, no matter) from the command line. I tried several ways, neither switches -new-tab, -new-window, -url, or none helped me. I always get the A copy of Firefox is already open. Only one copy of Firefox can be open at a time. error message.

Answer

running

open http://www.superuser.com

from the command line will (at least for me) open a new tab to superuser.com in firefox (which is my default browser)

Comments

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