Writing/Exporting BLOB to users local folder

Hi,
Apex 3.2 in a Linux 4.7
I have a requirement to export/write all the BLOB content in a table to users local folder using APEX. Actually, the blob contents are uploaded using apex, as well. The page contain only a button that when click will export/write the BLOB content to a file. The table contains around 500 BLOB records and we want to write/export each record to a file in local folder (1 record to 1 file scenario) at once.
I had tried wpg_docload.download_file function but users complain due to the number of records need to be open/save.
I had tried using the SYS.UTL_FILE function but fails since database directory, as its parameter, must be on the database server and not on the user's local machine.
I also tried using the java BOBHANDLER from oracle-base.com but I can't make it work.
Any suggestion is highly appreciated.
Regards
Aries

Did you bother searching the forum before posting?
See +{thread:id=1115748}+ for an implementation of Jari's suggestion.

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