Posted by perepujal on Feb 04, 2025; 11:50am
URL: https://forum.librecad.org/Moving-a-lot-of-points-tp5726345p5726347.html

Once in selecting mode(hit ESC to close any previous active tool)
Dragging a rectangle to the right (blue indicator) selects anything completely inside the rectangle.
Dragging left, (green indicator)selects anything completely inside plus anything touching the rectangle.
Selections are cumulative, one can select a point by clickin on it, later a rectangle selection on another part of the drawing.
Unselect by ESC
If the points are in a separate layer, then they can be all easy select by showing only that layer and hitting CTRL A

Once the desired points are selected , go to Tools -> Modify -> Move/Copy,
then select the starting point of the deplacement, then the target point.
A dialog will appear allowing between
Delete original(Move)
Keep original(Copy)
Multiple copies
It also has the options "Use the current attributes" and "Use the current layer" that allows to change the layer or attributes of the selected entities in the same operation.


HTH
Pere