Eval - VBScript

Overview

Eval evaluates an expression as a VB Script code and returns the result. It allows dynamic execution of VB Script code at runtime.

Syntax

Eval(expression)

Parameters:

  • expression: A string representing the VB Script code to be evaluated.

Options/Flags

None

Examples

Simple Usage:

Dim result = Eval("2 + 3")

Complex Usage:

Dim code = "If Len(str) > 10 Then str = Left(str, 10)"
Dim result = Eval(code, str)

Common Issues

  • Ensure the expression is valid VB Script code.
  • Use caution when evaluating expressions that may cause side effects (e.g., modifying global variables).

Integration

With Other VB Script Commands:

  • Execute: Combines with Execute to run a longer code block as a script.
  • CreateObject: Creates an object based on the evaluated expression.
  • Execute
  • CreateObject
  • VBScript Help