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(Lianja) SFTP Fsync -- Flush an Open File on the Server

Demonstrates how to flush the contents of an open file on the server. This example only works for servers that implement the fsync@openssh.com extension.

Note: This example requires Chilkat v9.5.0.71 or later.

Chilkat Lianja Extension Download

Chilkat Lianja Extension

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

loSftp = createobject("CkSFtp")

// Pass a domain or IP address..
llSuccess = loSftp.Connect("my-sftp-server.com",22)
if (llSuccess = .T.) then
    llSuccess = loSftp.AuthenticatePw("mySFtpLogin","mySFtpPassword")
endif

if (llSuccess = .T.) then
    llSuccess = loSftp.InitializeSftp()
endif

if (llSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// Open a file on the server for writing.
lcHandle = loSftp.OpenFile("myTest.txt","writeOnly","createTruncate")
if (loSftp.LastMethodSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// Write some text to the file:
llSuccess = loSftp.WriteFileText(lcHandle,"ansi","abcdefghijklmnopqrstuvwxyz")
if (llSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// Make sure the server flushes what we wrote to the disk..
// (this is requires a server that implements the fsync@openssh.com SFTP protocol extension)
llSuccess = loSftp.Fsync(lcHandle)
if (llSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// ....
// ....

llSuccess = loSftp.WriteFileText(lcHandle,"ansi","ABCDEFGHIJKLMNOPQRSTUVWXYZ")
if (llSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// Close the file.
llSuccess = loSftp.CloseHandle(lcHandle)
if (llSuccess <> .T.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

? "Success."


release loSftp

 

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