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Help / WLanguage / WLanguage functions / Standard functions / External file functions
  • Handling errors
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Stored procedures
Returns the size of a file (in bytes).
Example
Reports and Queries 
// Taille d'un fichier
ResTaille is int
ResTaille = fSize("C:\MesRépertoires\Fichier.doc")
Reports and Queries 
// Ouverture d'un fichier externe
MonFichierTxt is DiskFile
ResTaille is int
MonFichierTxt = fOpen("C:\MesRépertoires\Fichier.txt", foReadWrite)

// Taille d'un fichier
ResTaille = fSize(MonFichierTxt)
Syntax
Reports and Queries

Getting the size of a file according to its path Hide the details

<Result> = fSize(<File path>)
<Result>: Integer
  • File size in bytes,
  • -1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.
<File path>: Character string
Name and full or relative path of the file (up to 260 characters). A UNC path can be used. Wildcard characters (* and?) are not allowed.
Windows This parameter can be in Ansi or Unicode format.
Reports and Queries

Finding out the size of a file opened by the application Hide the details

<Result> = fSize(<File used>)
<Result>: Integer
  • File size in bytes,
  • -1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.
<File used>: Integer or DiskFile variable
Remarks

Handling errors

fSize throws an error in the following cases:
  • the specified file does not exist,
  • the name of the specified file is invalid.
Note: fSize does not work on hidden files.
Business / UI classification: Business Logic
Component: wd300std.dll
See also
Minimum version required
  • Version 9
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Comments
Video fSize
https://youtu.be/HyN7Hq54yIw

https://windevdesenvolvimento.blogspot.com/2019/06/dicas-2171-windev-webdev-mobile-arquivo.html

// BTN_TAMANHO_ARQUIVO

n_tamanho_arquivo is int=fSize(EDT_ARQUIVO)
EDT_RESPOSTA=LengthToString(n_tamanho_arquivo,sizeB)+CR
EDT_RESPOSTA+=LengthToString(n_tamanho_arquivo,sizeGB)+CR
EDT_RESPOSTA+=LengthToString(n_tamanho_arquivo,sizeKB)+CR
EDT_RESPOSTA+=LengthToString(n_tamanho_arquivo,sizeMB)+CR
EDT_RESPOSTA+=LengthToString(n_tamanho_arquivo,sizeTB)+CR
amarildo
28 Jun. 2019

Last update: 09/24/2024

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