You can export line types from an AutoCAD file to .lin file with LINOUT utility. Get the download link and how to use it here.
Rachid Khouri shares some good tips for good AutoLISP programming.
In this month, we recommend you to visit Lee Mac website to find some great AutoLISP programs. They surely can help you to work faster!
Do you need to change a setting when working with AutoCAD command? Why not create a secondary command so you can work faster!
Do you need to automatically annotate AutoCAD objects length? Measure total length/area from several objects? This AutoLISP will let you to do that quickly.
Do you need to create isometric polygon in your drawing? Lee Mac has an AutoLISP program to do that easily!
If you want to implement AIA standard layers, this is an AutoLISP that will do that. You can add hundreds of layers in few seconds!
Do you find your system variables change often? Do you have to set it back to default regularly? Why not set them by default in acaddoc.lsp? Read how you can set system variables in acaddoc.lsp. And see some common variables listed here.