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DataFlex Examples

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(DataFlex) SFTP Read Directory Listing

Demonstrates how to download a directory listing and iterate over the files.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoSftp
    String sHostname
    Integer iPort
    Boolean iSuccess
    String sHandle
    Variant vDirListing
    Handle hoDirListing
    Integer i
    Integer n
    Variant vFileObj
    Handle hoFileObj
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Important: It is helpful to send the contents of the
    // sftp.LastErrorText property when requesting support.

    Get Create (RefClass(cComChilkatSFtp)) To hoSftp
    If (Not(IsComObjectCreated(hoSftp))) Begin
        Send CreateComObject of hoSftp
    End

    // Set some timeouts, in milliseconds:
    Set ComConnectTimeoutMs Of hoSftp To 5000
    Set ComIdleTimeoutMs Of hoSftp To 10000

    // Connect to the SSH server.  
    // The standard SSH port = 22
    // The hostname may be a hostname or IP address.
    Move "www.my-sftp-server.com" To sHostname
    Move 22 To iPort
    Get ComConnect Of hoSftp sHostname iPort To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Authenticate with the SSH server.  Chilkat SFTP supports
    // both password-based authenication as well as public-key
    // authentication.  This example uses password authenication.
    Get ComAuthenticatePw Of hoSftp "myLogin" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // After authenticating, the SFTP subsystem must be initialized:
    Get ComInitializeSftp Of hoSftp To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Open a directory on the server...
    // Paths starting with a slash are "absolute", and are relative 
    // to the root of the file system. Names starting with any other 
    // character are relative to the user's default directory (home directory).
    // A path component of ".." refers to the parent directory, 
    // and "." refers to the current directory. 
    Get ComOpenDir Of hoSftp "." To sHandle
    Get ComLastMethodSuccess Of hoSftp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Download the directory listing:
    Get ComReadDir Of hoSftp sHandle To vDirListing
    If (IsComObject(vDirListing)) Begin
        Get Create (RefClass(cComChilkatSFtpDir)) To hoDirListing
        Set pvComObject Of hoDirListing To vDirListing
    End
    Get ComLastMethodSuccess Of hoSftp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Iterate over the files.
    Move 0 To i
    Get ComNumFilesAndDirs Of hoDirListing To n
    While (i < n)
        Get ComGetFileObject Of hoDirListing i To vFileObj
        If (IsComObject(vFileObj)) Begin
            Get Create (RefClass(cComChilkatSFtpFile)) To hoFileObj
            Set pvComObject Of hoFileObj To vFileObj
        End

        Get ComFilename Of hoFileObj To sTemp1
        Showln sTemp1
        Get ComFileType Of hoFileObj To sTemp1
        Showln sTemp1
        Get ComSize32 Of hoFileObj To iTemp1
        Showln "Size in bytes: " iTemp1
        Showln "----"

        Send Destroy of hoFileObj

        Move i + 1 To i
    Loop

    Send Destroy of hoDirListing

    // Close the directory
    Get ComCloseHandle Of hoSftp sHandle To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "Success."


End_Procedure

 

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