In Nuke you can only move one node up or down using CTRL+ up arrow or down arrow either in up or down the nuke tree , to move multiple nodes selected you can used the the script below:
Move the selected nodes up in tree calling the function below.
to access these function from within nuke you can add menu to nuke like shown below:
Download the whole script here.
Other Blogs & Pages
Animation & VFX SitesA MUST READ for Ani/VFX Artists
awakened by thoughts,