The left and right characters are different. Don Jones has spent the past 20 years using and customizing AutoCAD in the stair manufacturing industry. In some applications these extended ASCII character quotes appear slanted and other times they do appear curly. Programming language allows extracting inputting values with regard to objects, data or positional information, LISP is uniquely suited for unstructured design process of AutoCAD projects.
#AUTOCAD LISP USING QUOTE CODE#
Why does this matter? Because AutoCAD and BricsCAD will not read or execute code with the “curly” quotes. AutoCAD 2016 A Brief History of AutoLISP and Its Functionality. A summary of all list-handling functions is in AutoLISP Function Synopsis under the heading List Manipulation Functions Each list-handling function is described in the AutoLISP Reference. This section provides examples of the append, assoc, car, cons, list, nth, and subst functions.
Use your text editor again to create a simple text file like this: (defun c:CIRC() (setq PT (. AutoLISP provides functions for working with lists. Something we have seen one occasion when copying and pasting code is that the code contains “curly” (or smart) quote marks (ASCII characters 82) instead of the plain old straight quote marks (ASCII character 34). Another powerful AutoLISP use is creating new AutoCAD commands. Create and store a list of the values being stored by the symbols X, Y, and Z using the setq function and the list function. Many times you are downloading a file, but in some cases you have to copy and paste the code from a webpage into Notepad or some other editor. See also A More Versatile Program Branch- the (cond) Function with autolisp in AutoCAD 2. If you are like a lot of CAD users out there, you have probably downloaded lisp code from an Internet site.