.LSP

Lisp Source Code File

Learn about .lsp files - Lisp Source Code File. Find software to open, compatibility information, and alternatives.

Programming 27 Searches File Extension Details
.LSP
Lisp Source Code File

What is a .lsp file?

File Extension Details

An LSP file is a source code file written in the Lisp programming language, which is one of the oldest and most influential high-level programming languages in existence. Lisp is characterized by its unique syntax, which relies heavily on nested parentheses and prefix notation. In modern technical workflows, the .lsp extension is most frequently associated with AutoLISP, a specialized dialect of Lisp used specifically for automating tasks within Autodesk AutoCAD. These files allow users to create custom commands, automate repetitive drawing sequences, and extend the core functionality of CAD software. Because LSP files are saved in a plain text format, they can be opened, read, and edited by any standard text editor. When the file is loaded into a Lisp interpreter or a CAD environment, the code is parsed and executed to perform complex mathematical calculations or manipulate data structures. Beyond CAD applications, .lsp files are used in various functional programming environments, artificial intelligence research, and symbolic processing tasks where the language's ability to treat code as data provides significant advantages for developers.

Software Compatibility

Programs that can open and work with .lsp files

Windows

Compatible Applications

Autodesk AutoCAD Compatible
Visual Studio Code Compatible
Notepad++ Compatible
GNU Emacs Compatible
Steel Bank Common Lisp (SBCL) Compatible

macOS

Compatible Applications

Autodesk AutoCAD for Mac Compatible
Visual Studio Code Compatible
GNU Emacs Compatible
TextEdit Compatible
Clozure CL Compatible

Linux

Compatible Applications

GNU Emacs Compatible
Vim Compatible
Visual Studio Code Compatible
SBCL Compatible
CLISP Compatible

Mobile

Mobile Applications

Acode Compatible
QuickEdit Text Editor Compatible
iVim Compatible
Dcoder Compatible

Frequently Asked Questions

About .lsp files

To open a .lsp file, you need compatible software. Here are some options:

  • Autodesk AutoCAD
  • Visual Studio Code
  • Autodesk AutoCAD for Mac
  • GNU Emacs
  • Acode

To convert a .lsp file to another format, you can:

  1. Use compatible software Many programs that open .lsp files also allow you to save or export them to different formats.
  2. Try online conversion services: Websites like Zamzar, CloudConvert, or Online-Convert allow you to convert files between different formats without installing software.
  3. Specialized conversion tools: Search for '.lsp converter' to find tools specifically designed for this file type.

  1. Verify the file extension is correct:
  2. Update your software:
  3. Try alternative software:
  4. Check for file corruption:

Like any file type, .lsp files can be safe or potentially risky depending on their source:

  • Always scan files with antivirus software before opening
  • Keep your operating system and applications updated.
  • Be especially cautious with executable file types

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