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Visual FoxPro Examples

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(Visual FoxPro) SFTP Read Text File to String

Demonstrates how to download a text file from an SSH server directly into a string variable.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loSftp
LOCAL lcHostname
LOCAL lnPort
LOCAL lnSuccess
LOCAL lcHandle
LOCAL lnBFollowLinks
LOCAL lnBIsHandle
LOCAL lnNumBytes
LOCAL lcCharset
LOCAL lcFileContents

* This example assumes the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.

loSftp = CreateObject('Chilkat_9_5_0.SFtp')

* Set some timeouts, in milliseconds:
loSftp.ConnectTimeoutMs = 5000
loSftp.IdleTimeoutMs = 15000

* Connect to the SSH server.  
* The standard SSH port = 22
* The hostname may be a hostname or IP address.
lcHostname = "sftp.example.com"
lnPort = 22
lnSuccess = loSftp.Connect(lcHostname,lnPort)
IF (lnSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

* Authenticate with the SSH server.  Chilkat SFTP supports
* both password-based authenication as well as public-key
* authentication.  This example uses password authenication.
lnSuccess = loSftp.AuthenticatePw("myLogin","myPassword")
IF (lnSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

* After authenticating, the SFTP subsystem must be initialized:
lnSuccess = loSftp.InitializeSftp()
IF (lnSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

* Open a file on the server:

lcHandle = loSftp.OpenFile("hamlet.xml","readOnly","openExisting")
IF (loSftp.LastMethodSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

* Get the total size of this file (in bytes)
lnBFollowLinks = 0
lnBIsHandle = 1

* bFollowLinks is ignored because we are passing a handle
* and not a remote filename.
* There are alternative methods for handling file sizes
* greater than 32-bit.  (See the reference documentation.)
lnNumBytes = loSftp.GetFileSize32(lcHandle,lnBFollowLinks,lnBIsHandle)
IF (lnNumBytes < 0) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

* The charset indicates the character encoding of the text
* file on the SSH server.   Setting the charset correctly
* allows the Chilkat SFTP component to correctly interpret
* the bytes that represent the characters.

lcCharset = "ansi"

lcFileContents = loSftp.ReadFileText(lcHandle,lnNumBytes,lcCharset)
IF (loSftp.LastMethodSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ELSE
    ? "Received file:"
    ? lcFileContents
ENDIF

* Close the file.
lnSuccess = loSftp.CloseHandle(lcHandle)
IF (lnSuccess <> 1) THEN
    ? loSftp.LastErrorText
    RELEASE loSftp
    CANCEL
ENDIF

? "Success."

RELEASE loSftp


 

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