Learn AUTOLISP with Real Code Examples

Automatically renumber drawing blocks

Batch layer visibility toggle

Parametric stair or furniture generation

Extract coordinates of selected entities to CSV

Generate drawing sheets from templates

Check syntax errors in Visual LISP IDE

Ensure entities exist before modification

Verify command names do not conflict

Debug step by step using print statements

Check file paths for external data operations

Run in a test drawing

Step through using Visual LISP IDE

Check results in command line output

Validate entity changes visually

Use temporary backups for batch scripts

Load manually via APPLOAD

Add to startup suite for persistent availability

Distribute as .lsp files

Package with supporting libraries

Use with AutoCAD Network Licensing for teams

AutoCAD main environment

Visual LISP IDE

AutoLISP function libraries

DXF/DWG drawing file support

Optional COM/ActiveX integration

AutoCAD native commands

External CSV, TXT, or XML files

Database reporting

.NET API via COM bridge

Batch plotting and file management tools

Use modular functions for reuse

Test scripts on sample drawings first

Leverage selection sets for efficiency

Combine AutoLISP with DCL for user interaction

Keep script libraries organized and versioned

Handling large drawings efficiently

Avoiding conflicts with built-in commands

Debugging recursive functions

Maintaining scripts across AutoCAD versions

Ensuring compatibility with multiple users