Editing and uploading a downloaded document

Have an application that allows for both uploads of documents (using a File Browse item and transferring the relevant fields from the HTMLDB_APPLICATIION_FILES view to my customized table) and downloads of documents (using a call via a URL to a customized copy of the Oracle download procedure presented in the sample application). Both the upload and download process work OK.
The issue I'm running into, is that when a user wants to download a document, the user is presented with the choice of opening or saving the downloaded document. That works OK, but what we'd really like to do is offer the user a chance to edit the downloaded document and then by saving the changes (such as by closing the window in which the downloaded document appears, after making edits), the modified document is "re-uploaded" to the database. What we have to do now is save the download document to the user's PC, then the user has to open the document and modify it, save it, and re-upload it to the database.
Any ideas on how we can save the users a few steps and upload the document directly after editing? Thanks.

Well, you can only do that when the content being edited is plain text (mime type text/plain) and less than 32K (hard limit in PL/SQL)
Looking at how that page (4000:46) is built in f4000.sql, there seem to be some APIs that do some magic
l_text := wwv_flow_utilities.clob_to_varchar2(
wwv_flow_utilities.blob_to_clob(p_blob=>l_blob,p_charset=>l_charset));Clearly, all these are undocumented internal-only Oracle APIs that Oracle is not obliged to support.
Search around on asktom.oracle.com, I am sure you will find code examples that do this sort of thing.
Hope this helps.

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Editing and uploading a downloaded document

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