JavaScript Tutorial/MS JScript/File

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File

The File object provides access to all the properties of a file.

Property/Method Description Attributes Refers to the attributes of the file Copy() Copies a file from one location to another DateCreated Returns the date a file was created DateLastAccessed Returns the date a file was last accessed DateLastModified Returns the date a file was last modified Delete() Removes a file Drive Returns the drive on which a file exists Move() Moves a file from one location to another Name Returns the name for a file OpenAsTextStream() Opens a text stream for a file ParentFolder Returns the parent folder name for a file Path Returns the path to a file ShortName Returns the shortname of the file ShortPath Returns the shortpath of the file Size Returns the size of a file Type Returns the file type 



   <source lang="javascript">

<html> 

   <body>
   <script language="JavaScript">
   
   </script>
   </body>
   </html></source>

File.Attributes

Syntax



   <source lang="javascript">

file.Attributes[newattributes]</source>


The Attributes property is used to determine and set the attributes of a file.

This property is an array that takes the optional parameter newattributes to set any new attributes.

Attributes can be read/write or read-only.

Attribute properties Property Description 0 Specifies a Normal file. No attributes set. 1 Specifies that a file is a Read-only file. Attribute is read/write. 2 Specifies that a file is Hidden. Attribute is read/write. 4 Refers to a system file. Attribute is read/write. 8 Refers to the disk drive volume label. Attribute is read-only. Refers to a folder in a directory. Attribute is read-only. 32 Specifies that a file has changed since the last backup. Attribute is read/write. 64 Refers to a link or shortcut. Attribute is read-only. 128 Refers to the disk drive volume label. Attribute is read-only.

File.Copy()

Syntax



   <source lang="javascript">

file.Copy(destination, overwrite)</source>


File.DateCreated

The DateCreated property is used to get the date in which the file was created.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   Get the date that mytest.txt was created.
   <form name="myForm">
   <INPUT type="Button" value="Get Date" onClick="get()">
   </form>
   </BODY>
   </html></source>

File.DateLastAccessed

The DateLastAccessed property is used to find out the last date that the file was accessed.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   Get the date that mytest.txt was last accessed.
   <form name="myForm">
   <INPUT type="Button" value="Get Date" onClick="get()">
   </form>
   </BODY>
   </html></source>

File.DateLastModified

The DateLastModified property returns the date when the file was last modified.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   Get the date that mytest.txt was last modified.
   <form name="myForm">
   <INPUT type="Button" value="Get Date" onClick="get()">
   </form>
   </BODY>
   </html></source>

File.Delete()

The Delete() method is used to delete a specified file.



   <source lang="javascript">

<html> 

   <body>
   <script language="JScript">
   
   </script>
   Delete file "mytest.txt".
   <form name="myForm">
   <input type="Button" vvalue="Delete File" onClick="remove()">
   </form>
   </body>
   </html></source>

File.Move()

Syntax



   <source lang="javascript">

file.Move(destination)</source>


File.Name

The Name property is used to either set or get the name of a file object.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   <INPUT type="Button" value="Get Name" onClick="get()">
   </form>
   </BODY>
   </html></source>

File.ParentFolder

The ParentFolder property determines the parent folder from which the file was obtained.



   <source lang="javascript">

<html> 

   <body>
   <script language="JScript">
   
   </script>
   Click to get the name of the parent folder
   <form name="myForm">
   <input type="Button" value="Get Parent Folder" onClick="get()">
   </form>
   </body>
   </html></source>

File.Path

The Path property gets the path for a specified file.



   <source lang="javascript">

<html> 

   <body>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   <input type="Button" value="Get Path" onClick="getPath()">
   </form>
   </body>
   </html></source>

File.ShortName

The ShortName property returns the short name used by programs that require the earlier 8.3 naming convention.



   <source lang="javascript">

<html> 

   <body>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   <input type="Button" value="Get Shortname" onClick="get()">
   </form>
   </body>
   </html></source>

File.ShortPath

The ShortPath property returns the short path used by programs that require the earlier 8.3 naming convention.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   <INPUT type="Button" value="Get Shortpath" onClick="get()">
   </form>
   </BODY>
   </html></source>

File.Size

The Size property returns the size of the specified file.



   <source lang="javascript">

<html> 

   <BODY>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   type=value=<input type="Button" value="Get File Size" onClick="get()">
   </form>
   </body>
   </html></source>

File.Type

The Type property is used to get information pertaining to the type of file.



   <source lang="javascript">

<html> 

   <body>
   <script language="JScript">
   
   </script>
   <form name="myForm">
   <input type="Button" value="Get File Type" onClick="get()">
   </form>
   </body>
   </html></source>
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