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  • Timeout
  • Internet browser
  • Rights of users
  • Relative and absolute path
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WindowsLinuxPHPWEBDEV - Browser code
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Stored procedures
Returns the size (in bytes) of a file found on an FTP server (File Transfer Protocol).
// Find out the size of "/Documents/File.Doc" file
// found on the FTP server
ResSize = FTPSize(7, "/Documents/File.DOC")

Finding out the size of last file that was consulted Hide the details

<Result> = FTPSize()
<Result>: Integer
Remark: Unlike the syntax 2, no request is sent to the server. Therefore, this syntax is recommended whenever possible.

Finding out the size of specified file Hide the details

<Result> = FTPSize(<Connection identifier> , <File name>)
<Result>: Integer
  • Size (in bytes) of specified file,
  • -1 if an error occurred. To get the details of the error, use ErrorInfo with the errMessage constant.
<Connection identifier>: Integer
Connection identifier, returned by FTPConnect.
PHP This parameter is a Variant parameter.
<File name>: Character string (with quotes)
Name and full (or relative) path of file to use. The different path sections are separated by "slashes" ("/").


By default, all the FTP functions fail if the FTP server does not respond within 20 seconds. This timeout can be modified with FTPConnect when connecting to the FTP server.
Reports and QueriesUser code (UMC)Ajax

Internet browser

FTPSize requires Internet Explorer version 3 or later.
If a problem occurs, we recommend that you run a test with the browser by directly passing a link such as ftp://server/... If a problem occurs with Internet Explorer (with a UNIX server for example), use FTPCommand directly.

Rights of users

Only a user who has read rights on the FTP server can get information about the files or the directories found on an FTP server. In most cases, the read rights are granted to the "anonymous" users.

Relative and absolute path

The notions of relative path and absolute path are very important in an FTP application.
  • A path starting with a slash is considered as being an absolute path: it is the path in relation to the root of the FTP server (parameter specific to the server).
    ex: /ad/user/JULIA
  • A path not starting with a slash is considered as being a relative path, which means a path given in relation to the current directory. This current directory can be returned or modified by FTPCurrentDir.
When connecting to an FTP site, the initial directory (the "home directory" of the user) is not necessarily found at the root of the FTP server. Therefore, we recommend that you use relative paths.
Component: wd260com.dll
Minimum version required
  • Version 9
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