To Create and Open AutoLISP Source Code Files (AutoLISP)

AutoLISP source code files can be created and edited using a plain text editor.

Create a new source code file

Windows

1. Do one of the following:
   • On Windows 8.1, Start Screen, type notepad. Click Notepad.
   • On Windows 10, click Start All Apps Windows Accessories Notepad.
2. In Notepad, click File Save As.
3. In the Save As dialog box, click the Save As Type drop-down list and select All Files (*.*).
4. Specify a location for the file and enter a name in the File Name box. Add .lsp after the file name and click Save.

Mac OS

1. In Finder, click Go Applications.
2. In the Applications window, double-click TextEdit.
3. In TextEdit, if you see the ruler and formatting bar along the top of the window, do the following:
   • Click TextEdit Preferences.
   • In Preferences, Format, click Plain Text. Click Close.
   • Click File New.
4. Click File Save As.
5. In the Save As dialog box, specify a location for the file and enter a name in the Save As box. Add .lsp after the file name and click Save.
6. In the Extension dialog box, click Use .LSP.

Open an existing source code file

Windows

1. Do one of the following:
   • On Windows 8.1, Start Screen, type notepad. Click Notepad.
   • On Windows 10, click Start All Apps Windows Accessories Notepad.
2. In Notepad, click File Open.
3. In the Open dialog box, click the Save As Type drop-down list and select All Files (*.*).
4. Browse to and select the LSP file to open. Click Open.

Mac OS

1. In Finder, click Go Applications.
2. In the Applications window, double-click TextEdit.
3. In TextEdit, click File Open.
4. In the Open dialog box, browse to and select the LSP file to open. Click Open.