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Pre- & Post-Processing Options

YADE can carry out both pre- and post-processing at the source and at the target parts of the transfer.

A typical post-processing operation at the source would be to move or rename a file after it has been copied to the target.

Pre- and post-processing can be triggered for:

  • Transfer operations.
  • Individual file transfers, so when three files are to be transferred, processing would be carried out three times.

In addition, post-processing can be triggered for:

  • File Rename operations.

Pre- and post-processing can be carried out using the FTP, SFTP and local file system protocols: they are not possible with HTTP, HTTPS, SMBF or WebDAV.

Pre- and post-processing commands

The commands that can be executed as part of a pre- or post-processing operation are protocol-dependant:

  • FTP commands have to be used with the FTP protocol and
  • Shell commands have to be used with the SFTP protocol.

Pre- and post-processing operations

The pre- and post-processing operations available are:

  • Pre-processing operations:
    • CommandBeforeFile:
      • commands are executed before each individual file is transferred
    • CommandBeforeOperation
      • commands are executed before the transfer operation is started
  • Post-processing operations:
    • CommandAfterFile:
      • commands are executed after each file transfer has been completed
    • CommandAfterOperation
      • commands are executed after the transfer operation has been completed
    • CommandBeforeRename
      • commands are executed before each individual file is renamed

Note that special variables such as $target_dir and $date are available for pre- or post-processing commands. These variables are listed under the Parameter Reference article for the relevant protocol *FragmentRef element. See the list of links provided in the Parameter reference for pre- and post-processing operations section on this page for more information.

Specifying pre- and post-processing operations

The commands that can be executed as part of a pre- or post-processing operation are protocol specific - meaning that they are specified as child elements of a protocol fragment element such as SFTPFragmentRef.

The XML hierarchy used to specify the pre- and post-processing operations around a typical Copy operation using SFTP would be:

  • Profile
    • Operation
      • CopySource
        • CopySourceFragmetRef
          • SFTPFragmentRef
            • SFTPPreProcessing
              • CommandBeforeFile
              • CommandBeforeOperation
            • SFTPPostProcessing
              • CommandBeforeFile
              • CommandBeforeOperation
              • CommandBeforeRename
            • etc. (optional)

Parameter reference for pre- and post-processing operations

Detailed information about pre- and post-processing operations can be found in the relevant parameter reference article:

 

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