JSL Building Blocks

Learn the Basics of JSL

Studying the syntax and basics of JSL is crucial, whether you are a beginning or an advanced user. Some concepts (such as loops and variables) are common among many scripting languages, but punctuation rules differ in JSL.

Figure 5.1 Example of a JSL Script 

This chapter introduces you to the basic concepts of JSL, from syntax rules and file path conventions to conditions and namespaces.

Contents

JSL Syntax Rules

JSL Rules for Value Separators

JSL Rules for Numbers

JSL Rules for Names

Comments in JSL Scripts

Arithmetic Operators

Boolean Values

Global and Local Variables

Local Namespaces

Named Namespaces

Show Symbols, Clear Symbols, and Delete Symbols

Lock and Unlock Symbols

Hide a Global Variable

Rules for Name Resolution

Variable Names Used as Arguments

Rules for Resolving Names

Scoping Operators

Troubleshoot Variables and Column Names

Troubleshoot Variables and Keywords

Frequently Asked Questions about Name Resolution

Alternatives for Gluing Expressions Together

Iterate Functions

For Function

While Function

Summation Function

Product Function

Break and Continue Functions

Conditional Functions

If Function

Match Function

Choose Function

Interpolate Function

Step Function

Compare Incomplete or Mismatched Data

Missing Values in a Comparison

Inquiry Functions in JSL

General Element Types

Specific Element Types

Object Attributes

Host Information

Version Information