In many applications you will want to keep track of changes that the user has made. There are several ways to do that with LiveCode, including querying of a URL, reading and writing to a text file, and saving data inside a stack.
Quite often web-based applications will load and save data from server side scripts. That can be done with LiveCode apps too. Here's an example, where we want to know what the closing price was for Google yesterday:
put url "http://quote.yahoo.com/d/quotes.csv?s=GOOG&f=p"
At the moment that line was tested, 609.46 appeared in the Message Box:
Who knows what you'll find when you ...