portage-ng --merge
>>> Emerging : portage://media-sound/substract_wave-0.3-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-sound/substract_wave-0.3-r1
│ └─ file ─┤ 14.45 Kb substract_wave-0.3.tgz
└─step 2─┤ install portage://media-sound/substract_wave-0.3-r1
└─step 3─┤ run portage://media-sound/substract_wave-0.3-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
14.45 Kb to be downloaded.