VERTLINES
Set end X = start X (make lines vertical).
Your scripts, ready to drop into AutoCAD.
Set end X = start X (make lines vertical).
Snap lines to horizontal or vertical around midpoint, UCS-aware.
Select all lines shorter than a user-entered threshold.
Select all perfectly horizontal lines.
Select vertical lines relative to current UCS.
Select all overlapping collinear lines.
Select all objects on layers matching a keyword.
Copy selected objects onto the layer of a picked reference object.
Move selected objects onto the layer of a picked reference object.
Delete duplicate lines keeping only the first (same endpoints and layer).
Fillet the closest endpoints among selected lines.
Split lines and polylines at intersections with cutter lines.
Four steps from download to running the command in AutoCAD.
Click .lsp on any card
Type in AutoCAD command line
Pick the .lsp file, click Load
Type e.g. FFILLET and Enter