Learn AUTOLISP with Real Code Examples
Updated Nov 27, 2025
Installation Setup
Install AutoCAD (any version supporting AutoLISP)
Ensure Visual LISP IDE is enabled
Load AutoLISP scripts (.lsp) via APPLOAD or startup suite
Test scripts with AutoCAD command line
Debug using Visual LISP IDE
Environment Setup
Install AutoCAD supporting AutoLISP
Enable Visual LISP IDE
Load scripts using APPLOAD
Verify compatibility with AutoCAD version
Organize script libraries for workflow
Config Files
AutoLISP scripts (.lsp)
Visual LISP project files (.vlx)
Supporting configuration files (TXT, CSV)
Templates for batch operations
Documentation for deployment
Cli Commands
APPLOAD - Load LISP scripts
UNLOAD - Unload scripts
Command line execution of AutoLISP functions
Startup suite integration
Visual LISP IDE debugging commands
Internationalization
Supports Unicode strings
Works with multiple language AutoCAD installations
Messages and prompts can be localized
Handles locale-specific file paths
Integration with external localized data sources
Accessibility
Command line interface for all scripts
Keyboard shortcuts and aliases
Custom menus and toolbars
Dialogs via DCL for user input
Visual feedback in drawing space
Ui Styling
Front-end is AutoCAD interface
Custom dialogs via DCL (Dialog Control Language)
Message prompts in command line
Custom menus can call AutoLISP scripts
Dynamic updating of drawing elements
State Management
Variables stored in session scope
Drawing database reflects entity modifications
Local vs global symbols for modularity
Persistent startup scripts for repeated use
Event reactors can trigger actions automatically
Data Management
Reading/writing entity properties
File I/O for batch operations
Exporting data to CSV or TXT
Interfacing with external databases via COM
Logging automated operations