Learn AUTOCAD-AUTOLISP with Real Code Examples

Large selections can slow down processing; consider filters

Minimize repeated calls to entget/entmod for speed

Use list processing efficiently

Pre-load frequently used functions

Test memory and variable usage in complex routines

Avoid executing untrusted LISP scripts

Ensure scripts don’t overwrite critical drawing data

Backup drawings before automation

Restrict access to sensitive project scripts

Validate external data sources before processing

Track script execution time

Log processed entity counts

Verify output drawing accuracy

Monitor errors and exceptions

Collect user feedback on automation effectiveness

Use meaningful function and variable names

Document scripts with comments

Keep modular for reuse

Test thoroughly before deployment

Follow LISP and AutoCAD best practices