Xbase++

Get an FTP Listing Entry's Size (32-bit)

Demonstrates the Chilkat Ftp2.GetSize method, which returns the size in bytes of a cached directory-listing entry as a 32-bit integer. The only argument is a zero-based index. It returns -1 when the index is invalid or the size is unavailable.

Background: The size comes from the cached listing, so reading it for every entry costs no extra round trips. A 32-bit result cannot represent files past about 2 GB, so use GetSize64 (or GetSizeStr) when large files are possible. Directories often report no meaningful size and come back as -1, which is why the -1 case is worth handling rather than printing blindly.

Chilkat Xbase++ Downloads

Download Chilkat for Xbase++

Xbase++

LOCAL nSuccess
LOCAL oFtp
LOCAL n
LOCAL i
LOCAL cName
LOCAL nFileSize

nSuccess := 0

//  Demonstrates the Ftp2.GetSize method, which returns the size in bytes of a cached
//  directory-listing entry as a 32-bit integer.  The only argument is a zero-based index.

oFtp := CreateObject("Chilkat.Ftp2")

oFtp:Hostname := "ftp.example.com"
oFtp:Username := "myFtpLogin"

//  Normally you would not hard-code the password in source.  You should instead obtain it
//  from an interactive prompt, environment variable, or a secrets vault.
oFtp:Password := "myPassword"

nSuccess := oFtp:Connect()
IF (nSuccess == 0)
    ? oFtp:LastErrorText
    oFtp:destroy()
    RETURN
ENDIF

nSuccess := oFtp:ChangeRemoteDir("public_html")
IF (nSuccess == 0)
    ? oFtp:LastErrorText
    oFtp:destroy()
    RETURN
ENDIF

//  GetDirCount retrieves the directory listing on the first call and returns the number of
//  entries.  A negative return indicates failure.
n := oFtp:GetDirCount()
IF (n < 0)
    ? oFtp:LastErrorText
    oFtp:destroy()
    RETURN
ENDIF

FOR i := 0 TO n - 1
    cName := oFtp:GetFilename(i)

    //  GetSize returns -1 when the index is invalid or the size is unavailable (for example for a
    //  directory).  Use GetSize64 for files that may exceed 2 GB.
    nFileSize := oFtp:GetSize(i)
    ? cName + "  " + Str(nFileSize) + " bytes"
NEXT

nSuccess := oFtp:Disconnect()
IF (nSuccess == 0)
    ? oFtp:LastErrorText
    oFtp:destroy()
    RETURN
ENDIF

oFtp:destroy()