Topic outline

• Using System Functions in ObjectScript

  Using System Functions in ObjectScript

  Content Type
  Video

  Duration
  5m

  Level
  Introductory

  See how to use the system functions in InterSystems ObjectScript to quickly perform operations. These functions allow you to manipulate strings, execute class methods, and more. You will learn the syntax for running system functions and see how to use the values they return in other functions and commands.
• Code Used in This Video

  Code Used in This Video

  Reference	Timestamp	Code
  Function to find the length of a string	1:00	Write $Length("How long is this string?")
  Function to extract a substring	1:45	Write $Piece("How long is this string?"," ",1)
  Function to find the length of an extracted substring	2:10	Write $Length($Piece("How long is this string?"," ",1))
  Replace a substring using $Piece .	2:40	Set $Piece(sentence," ",5)="video?"
  Create a new list and set a variable as this list.	3:55	Set Order = $ListBuild(OrderDate,Amount,Status)
  Display a list variable.	4:05	Zwrite Order
  Replace one item in a list.	4:15	Set $List(Order,3)="Complete"
• What's Next?

  What's Next?

  See all available system functions in the ObjectScript Reference (documentation).