pasteKeyframes

Pastes selected keyframes from the curve editor/ dope sheet to current position, no 'copy' necessary.

Select some keys on one or more curves. move further down the timeline and select this option. The selected keys are pasted at position, curve to curve.

'Simples.  kcch.'

Couple of issues, with multi views you may have to paste twice or more as it seems to stop 1/2 way and no idea why.

Doesn't work with rotos.

Will ignore Trackers and a few other nodes defined in the internalexclusion list as these fail or hang Nuke.

Alsio includes a copy keyframes but the paste section is to be done. By all means complete this and repost ;)

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m=nuke.menu('Animation').findItem('Predefined')
m.addCommand('pasteKeyframes', 'nuke.load("pasteKeyframes"), pasteSelected()')