ASP OpenTextFile Method

The ASP OpenTextFile Method is used to open a specified file. It returns a TextStream object that can be used to read, write and append contents to the File. It is an in-built function of the FileSystem Object. 

Syntax:

FileSystemObject.OpenTextFile(fname,mode,create,format) 

Parameter Value:

• fname: Required attribute. It specifies the name of the file to be opened.
• mode: It is an optional attribute. It specifies that how to open a file. It contains 3 constant values to perform an operation on a file.  
  • 1 for reading the contents.
  • 2 open a file for writing the contents
  • 8 for appending the contents.
• create: Optional Attribute. It contains a Boolean value that specifies that whether there can be created if the specified filename doesn’t exist.  
  • The value is True if a new file is created;
  • false if it isn’t created. The default is False.
• Format: Optional attribute. It contains three constant value which used to define a format of a file 
  • 0=TristateFalse – Open the file as ASCII. This is the default.
  • -1=TristateTrue – Open the file as Unicode.
  • -2 =TristateUseDefault – Open the file using the system default.

Example Code:  Below code illustrates that how to open a new file for writing the content. 

ASP

<%
dim fs,f
set fs=Server.CreateObject("Scripting.FileSystemObject")
set f=fs.OpenTextFile(Server.MapPath("GFG.txt"),2,true)
response.write("File is open for purpose of writing")
f.WriteLine("This text will be added to the end of file")
f.Close
set f=Nothing
set fs=Nothing
%>

Output:

File is open for purpose of writing