model space of layout used? lisp

[Anonymous]

is there any way to find model space or layout used in the drawings, 

I have nearly 1500 drawings to convert to pdf, and i don't know  exactly which are the drawings are being used  model space or layout,  once i can find the difference i can make a script print the drawings easily, 

[maratovich]

Add an example of your files, different 2-3 pieces.