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I'm moving some existing functionality into a new Drupal site.

  1. Files are uploaded via posted form
  2. Their file names are prefixes with UID
  3. They are then moved to temp holding directory
  4. A cron job on another server SCPs the files in batches
  5. The files are verified copied, then deleted via batch ssh command

I'm looking for a clean way to handle (save) an uploaded file coming from a submitted form with an element of type 'file' without "managing" it. I've browsed over file_save_upload() and like the validation/error handling it offers.

However, I'd rather not have the files exist in the managed file tables. I would need to modify my pulling server's cron job to trigger a managed deletes via web request.

Just as there is a file_save_data() and analogous file_unmanaged_save_data() I'm looking for file_unmanaged_save_upload(). I basically want the first half of file_save_upload() before it touch the database. It seems like something similar or a workaround should already exist but I haven't found one. I trying to avoid reinventing the wheel.

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  • Not sure about the #4 and #5, but if you still need Drupal to handle the uploaded files (from new SCP'd location), you will need to use file_save_upload. Once the files are copied, update the file location to the new one (or go one step ahead and add a new stream wrapper). Commented May 5, 2014 at 16:54

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I suggest using file_save_upload() anyway, beacause (as the API docs say):

The file will be added to the {file_managed} table as a temporary file. Temporary files are periodically cleaned. To make the file a permanent file, assign the status and use file_save() to save the changes.

So you don't need to worry about having the file "managed" by Drupal as long as you don't change the status of the file to FILE_STATUS_PERMANENT.

Otherwise, if you really don't want this default behaviour (and also no hooks to get invoked), just copy the file in your form_submit() using file_unmanaged_copy() (give it uploaded tmp file as source).

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You may create your own file_unmanaged_save_upload() which won't insert item into Drupal DB file_managed table.

I did. I copied file_save_upload() as file_unmanaged_save_upload() in /Drupal_root/includes/file.inc, and deleted "file_save()" in it, modify the last lines as below:

 function file_unmanaged_save_upload(){ ..... if ($file = file_save($file)) { // Add file to the cache. $upload_cache[$source] = $file; return $file; } return FALSE; }

It works as expected.

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