Loads a file into all open AutoCAD documents, and into any document subsequently opened during the current AutoCAD session
(vl-load-all filename)
Unspecified. If filename is not found, vl-load-all issues an error message.
_$ (vl-load-all "c:/my documents/visual lisp/examples/whichns.lsp")
nil
_$ (vl-load-all "yinyang.lsp")
nil