: Use ssget to pick multiple objects based on criteria (like layer or color), allowing you to modify hundreds of items at once.
: Functions like getpoint , getreal , and getstring pause the routine to ask the user for specific data. AutoLISP in AutoCAD
: The (command ...) function allows a routine to execute standard AutoCAD commands just as a user would type them. : Use ssget to pick multiple objects based
: Common types include integers, real numbers (decimals), strings (text), and lists. Lists are the heart of the language and can store anything from a simple set of coordinates to complex drawing data. : Common types include integers, real numbers (decimals),
: To create a custom command that can be typed into the AutoCAD command line, use the defun function with a C: prefix. For instance, (defun C:HELLO () (prompt "\nHello World!")) defines a new command called HELLO .