How can I send file to U-disk quickly?

[peternlewis]

I don't know what a udisk is, but there is descriptions of how to work with selected files in the Finder at:

Working with the Finder Selection

In Keyboard Maestro, you work with the Finder Selection by using the For Each action to iterate over the selected files. From there, you can do whatever you would like with the files using the various file actions, or by processing with a script or other means. There is a smart action in the acton selector for For Each Path in the Finder Selection, which is simply a For Each action, preset to iterate through the Finder Selection collection. You can put whatever actions you like within that ac…

You would have to know (or the macro would have to figure out) what the destination volume is.