Lianja

Co:Z SFTP Binary File Download (from z/OS IBM Mainframe)

See more SFTP Examples

Demonstrates how to download a binary file, such as a .zip, from a Co:Z SFTP server on a z/OS IBM Mainframe. Lianja

llSuccess = .F.

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

loSftp = createobject("CkSFtp")

// Connect to the SSH server.  
lcHostname = "sftp.example.com"
lnPort = 22
llSuccess = loSftp.Connect(lcHostname,lnPort)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

llSuccess = loSftp.AuthenticatePw("myLogin","myPassword")
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

llSuccess = loSftp.InitializeSftp()
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// To download a binary file from the Co:Z SFTP server, 
// we must switch to binary mode in the following unconventional way.
// We pretend to fetch a directory listing for "/+mode=binary"
// This has the effect of putting the server in binary mode for transfers.
lcHandle = loSftp.OpenDir("/+mode=binary")
if (loSftp.LastMethodSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    return
endif

// Download the "directory listing" (but it's not actually a directory listing, and we'll just discard it.)

loDirListing = createobject("CkSFtpDir")
llSuccess = loSftp.ReadDirListing(lcHandle,loDirListing)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    release loDirListing
    return
endif

// Close the directory handle:
llSuccess = loSftp.CloseHandle(lcHandle)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    release loDirListing
    return
endif

// Download the binary file:
lcLocalFilePath = "c:/temp/test.zip"
lcRemoteFilePath = "test.zip"
llSuccess = loSftp.DownloadFileByName(lcRemoteFilePath,lcLocalFilePath)
if (llSuccess = .F.) then
    ? loSftp.LastErrorText
    release loSftp
    release loDirListing
    return
endif

? "Success."


release loSftp
release loDirListing