Format your AutoLISP routine prompts with smart string functions

摘要

When getting user Input using (getxxx) functions, you sometimes need to format the string prompt using program variables. Do you know which AutoLISP functions you should use to format these strings? AutoLISP has several functions that allow you to format strings in numerous ways to make your prompts dynamic and more effective. AutoLISP also offers several ASCII control codes that you can use to make your prompts more appealing.