VBScript Tutorials - Herong's Tutorial Examples - v6.02, by Herong Yang
"TextStream" Objects Representing File Input and Output
This section describes TextStream object and its properties and methods. A tutorial example is provided on how to open a new file, write some text lines, and read them back.
TextStream: An object representing an input or output stream connected to a file. It offers the following properties and methods:
Here is a VBScript example to show you how to create and open a text file.
<html> <body> <!-- text_stream_test.html - Copyright (c) 2002 HerongYang.com. All Rights Reserved. --> <pre> <script language="vbscript"> ' Getting the FileSystemObject set fs = CreateObject("Scripting.FileSystemObject") ' Creating a new file for writing set out = fs.CreateTextFile("c:\temp\test.txt",true,false) out.WriteLine("FirstName=Bill") out.WriteLine("LastName=Smith") out.WriteLine("Email=bill@com.com") out.Close() ' Open an existing file for reading set inn = fs.OpenTextFile("c:\temp\test.txt",1) while inn.AtEndOfStream = false line = inn.ReadLine() document.writeln(line) wend inn.Close() </script> </pre> </body> </html>
When you load this example into IE, you will get a security warning. You can ignore it and get the output:
Tests on TextStream class: FirstName=Bill LastName=Smith Email=bill@com.com
Note that:
Table of Contents
Introduction of VBScript - Visual Basic Scripting Edition
Variant Data Type, Subtypes, and Literals
Numeric Comparison Operations and Logical Operations
String Operations - Concatenation and Comparison
Variable Declaration and Assignment Statement
Expression and Order of Operation Precedence
Statement Syntax and Statement Types
Array Data Type and Related Statements
Array References and Array Assignment Statements
Conditional Statements - "If ... Then" and "Select Case"
Loop Statements - "For", "While", and "Do"
"Function" and "Sub" Procedures
Inspecting Variables Received in Procedures
Error Handling Flag and the "Err" Object
Regular Expression Pattern Match and Replacement
►scrrun.dll - Scripting Runtime DLL Library
Scripting Runtime DLL Library Overview
"Dictionary" Objects to Store Keys and Values
"FileSystemObject" Objects to Manage File Systems
"Drive" Objects Representing Disk Drives
"Folder" Objects Representing File Folders
"File" Objects Representing Files
►"TextStream" Objects Representing File Input and Output
IE Web Browser Supporting VBScript