MacPorts to automatically install dependencies I installed 6 packages in one command, and it prompted me 6 times.  I’m using Mac ports on macOS Catalina 10.15
The following dependencies will be installed: 
Continue? [Y/n]: 

Is there any command-line option to suppress the following prompt?
MacPort's port is reasonable documented so on of the normal ways to find help
e.g.

man port

port help


will give the way

-N
Non-interactive mode, interactive questions are not asked

So run
sudo port -N install &lt;portname&gt;