Using UTL_FILE in NT with network drive

Question

I want to use utl_file for file handling and try to use util_file.fopen for opening file from a mapping network drive (say F with error "Invalid Operation".
I've got no error when I handling file in local drive.
Can anyone help ?
Rgds,
Edward
(ps I've already set the parameter utl_file_dir=*)
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Answer 1

Hello,
In december an Edward TSE had a same kind of problem. I replied to him the following solution after which I was helped.
Instead of using:
declare
fh_lis utl_file.file_type;
begin
fh_lis := utl_file.fopen(
location => '\\caghk8\vtfp2\transfer\',
filename => 'tpx.txt',
open_mode => 'r');
utl_file.fclose(fh_lis);
end;
Use:
declare
fh_lis utl_file.file_type;
begin
fh_lis := utl_file.fopen('\\caghk8\vtfp2\transfer\', 'tpx.txt', 'r');
utl_file.fclose(fh_lis);
end;
He said it worked!
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