DiskFile (Type of variable)

ONLINE HELP
WINDEV, WEBDEV AND WINDEV MOBILE

Version:

Home | Sign in | English

Help / WLanguage / WLanguage functions / Standard functions / External file functions

Properties specific to DiskFile variables
Functions that use the DiskFile type

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

Functions for handling directories and external files

DiskFile (Type of variable)

In french: FichierDisque

The DiskFile type is used to handle text files present on disk. You can define and change the characteristics of this file using different WLanguage properties.

Remark: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.

Example

// Writing into a text file
MyFile is DiskFile = fOpen("File.txt")
MyFile.Write("Report")

Properties

Properties specific to DiskFile variables

The following properties can be used to handle text files:

Property name	Type used	Effect

DateCreated	DateTime	Date and time the file was created.
DateLastAccessed	DateTime	Date and time the file was last accessed.
DateModified	DateTime	Date and time the file was last modified.
Handle	System integer	File system handle, -1 if no associated file. This property is read-only.

Remark: The file associated with a DiskFile variable is automatically closed outside of the scope of the variable.

Remarks

Functions that use the DiskFile type

Functions that use the standard syntax:


fChangeSize	Resizes an external file.
fClose	Closes an external file.
fCreate	Creates an external file.
fFileName	Returns the name of an external file that is currently opened.
fFind	Finds a character string or a buffer in a file opened by fOpen.
fLock	Entirely or partially locks an external file.
fOpen	Opens an external file (ANSI or UNICODE) in order to handle it through programming.
fOpenTempFile	Creates and opens a temporary file.
fRead	Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area.
fReadLine	Reads a line from an external file (ANSI or UNICODE).
fReadLineRegularExpression	Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
fSeek	Gets and sets current position in an external file.
fSize	Returns the size of a file (in bytes).
fUnlock	Entirely or partially unlocks an external file.
fWrite	Writes: a character string to an external file. a memory section.
fWriteLine	Writes a line to a text file (ANSI or UNICODE).

Functions that use prefix syntax:


<DiskFile variable>.ChangeSize	Resizes an external file.
<DiskFile variable>.Close	Closes an external file.
<DiskFile variable>.FileName	Returns the name of an external file currently open.
<DiskFile variable>.Find	Finds a character string or a buffer in a file opened by fOpen.
<DiskFile variable>.Lock	Entirely or partially locks an external file.
<DiskFile variable>.Read	Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area.
<DiskFile variable>.ReadLine	Reads a line from an external file (ANSI or UNICODE).
<DiskFile variable>.ReadLineRegularExpression	Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
<DiskFile variable>.Seek	Gets and sets current position in an external file.
<DiskFile variable>.Size	Returns the size of a file (in bytes).
<DiskFile variable>.Unlock	Entirely or partially unlocks an external file.
<DiskFile variable>.Write	Writes: a character string into an external file. a memory section.
<DiskFile variable>.WriteLine	Writes a line into a text file (ANSI or UNICODE).
.Open	Opens an external file (ANSI or UNICODE) in order to handle it through programming.
Create	Creates an external file.
OpenTempFile	Creates and opens a temporary file.