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Help / WLanguage / Managing databases / HFSQL / HFSQL functions
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Stored procedures
Used to find out if a data file exists, i.e. if it has been physically created (<Source>.Creation or <Source>.CreateIfNotFound).
Note: Substitutions currently being made to the data file (using functions HSubstDir, <Source>.ChangeDir and <Source>.ChangeName) are taken into account.
Example
// Test de l'existence du fichier de données "Client"
IF Client.FichierExiste() = True THEN
	// Traitements
	...
END
Syntax

Checking the existence of a data file, query or view Hide the details

<Result> = <Source>.FileExist()
<Result>: Boolean
  • True if the physical file exists,
  • False otherwise.
<Source>: Type corresponding to the specified source
Name of element to use:
  • Name of data file.
  • Name of view or query.
Remarks
  • <Source>.FileExist can be used whether the file is open or closed.
  • <Source>.FileExist does not open the data file if it is closed.
Component: wd300hf.dll
See also
Minimum version required
  • Version 25
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Last update: 03/28/2025

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