Building Ports: Is there a "make" equivalent for --batch ?

[John Levine]

>    ... Note that setting the BATCH environment variable to yes will answer
>    yes to any prompts during this process, removing the need for manual
>    intervention during the build process.
>
>(This was said with respect to upgrading ports via portupgrade.)

Or you can use portmaster, which runs through all the ports first and
does the config dialogs before starting the rebuild.  There are stil
a few places it can get stuck, but many fewer than portupgrade.

Portmaster is worth a look just out of amazement. It is a 4,000 line
shell script.

R's,
John