CADDIT CAD CAM CNC Software - download AutoCAD compatible design software progeCAD Alibre T-FLEX and more
CADDIT Website Knowledge Base Search:

progeCAD Help

Welcome to progeCAD
Working with progeCAD
Command Reference
CAD System Variables
Programming progeCAD
Full Index (caution - 400kb)

Further Links:

Download progeCAD
Register progeCAD


T-FLEX PLM tutorial (PDF)
progeCAD IntelliCAD and AutoCAD training 
CATIA 2D 3D design tutorial
Alibre CAD/CAM basic tutorial


Educational CAD Software Solutions
Python scripting for DOS and Windows
Other free software downloads
CADDIT CAD CAM Forum Australia

(read string)

Determine the first item in a string.

This function returns the first list item or atom in the string. Spaces may not be used within the string argument unless they are within a list or string.


Code Returns Type
(read "one" ) ONE Atom.
(read "one two" ) ONE Atom.
(read " (1 2 3) (1) " ) (1 2 3) List.
(read " (one two) " ) (ONE TWO) List.
(read "12") 12 Integer.
(read "\"First Name:\"") "First Name:" String.

(car list)

(cdr list)

(last list)

(print [expression [file-descriptor]])

(read-char [file-descriptor])

(write-line string [file-descriptor])

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language

CADDIT® is a registered trademark in Australia. All Rights Reserved. Comments concerning the content of this site should be addressed to our webmaster. progeCAD is a trademark of ProgeCAD srl. Autodesk® and AutoCAD® are both registered trademarks or trademarks of a third party, and used only for comparison purposes. All other trademarks, trade names or company names referenced herein are used for identification only and are the property of their respective owners. Legal and Terms of Use. Google. Find us on Google+.