Learn AUTOLISP with Real Code Examples

Use selection sets instead of iterating all entities

Avoid deep recursion in large drawings

Preload libraries to reduce runtime overhead

Use efficient list operations

Minimize on-screen regeneration when processing many entities

Validate external file inputs

Avoid executing untrusted LISP scripts

Use digital signatures for critical routines

Back up drawings before batch operations

Control user permissions in shared CAD environment

Log execution of automated routines

Track batch processing performance

Monitor entity modifications

Validate correctness of automated scripts

Audit usage of scripts in collaborative projects

Use modular functions

Comment scripts for maintainability

Avoid unnecessary global symbols

Validate inputs and handle errors

Organize scripts in libraries