portage-ng --merge
>>> Emerging : portage://net-analyzer/iptraf-ng-1.2.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://net-analyzer/iptraf-ng-1.2.2
│ └─ file ─┤ 318.16 Kb iptraf-ng-1.2.2.tar.gz
└─step 2─┤ install portage://net-analyzer/iptraf-ng-1.2.2
│ └─ conf ─┤ USE = "-doc"
└─step 3─┤ run portage://net-analyzer/iptraf-ng-1.2.2
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
318.16 Kb to be downloaded.