How to read file WITHOUT full path using TEXT_IO?

Question

We have a scenario like this:
-- We have a Telco application.
-- That has 3 types of installations. English and Spanish
-- We have 2 App Servers (Eng & Spa) for the 2 installation types.
-- But there is only ONE DB. I.e. users logging into Eng or Spa AS versions login to the same DB.
-- We have to maintain 2 login forms because of Eng and Spa, because the menu labels have to come in 2 langs.
-- I am trying to have one tree menu for this.
-- To do this I did this.
-- Put a text file in the Forms directory of the AS.
-- The file has just one line. ENGLISH or SPANISH.
-- I read this file and find out the language and then show labels according the language.
Problem is that when I used TEXT_IO and gave file name like this filename:=GET_FILE_NAME('Avabill_AS_Language.txt', File_Filter=>'Text Files (*.txt)|*.txt|');
I get a error saying file not found.
I found out that with TEXT_IO you need FULL PATH of the file. Thing is path of the installation depends of installation to installation. I cannot create a parameter in the DB since the DB is COMMON. I HAVE TO use a text file in the AS directory.
Is there any other way like reading the Default.env file or FormsWeb.cfg? Is there a parameter in any of these files which specifies the forms directory absolute path. I studied both file but could not find an entry.
Any workaround would be greatly appreciated.

Answer 1

Thanks BaiG for the quick response.
U r right about that GET_FILE_NAME.
I removed that and put the file name only and tried. Still get the same error.
FUNCTION Avabill_Deployment_Type RETURN VARCHAR2 IS
v_language VARCHAR2(100);
in_file Text_IO.File_Type;
BEGIN
in_file := Text_IO.Fopen( *'Avabill_AS_Language.txt'* , 'r');
Text_IO.Get_Line(in_file, v_language );
Text_IO.Fclose(in_file);
RETURN v_language;
EXCEPTION
WHEN OTHERS THEN
Text_IO.Fclose(in_file);
ALERT_MESSAGE(1,'FILE NOT FOUND: ' || SQLERRM);
RETURN 'Normal';
END;
I get this error:
*302000: non-ORACLE exception*
As for you query:
-- We have 2 app servers. One English and One Spanish.
-- So we have 2 sets of forms. One English with English labels in the forms and the other with Spanish Labels.
-- So we HAVE to have 2 menu forms as well, don't we? When the menu form is run how does it know whether the app server is English or Spanish.
-- There is no way to find out. We cannot use a DB variable since BOTH use the same DB (at the same time). Eng users will enter in English while Spanish users will enter in Spanish.
I don't see how we can have one menu form for this purpose. Can u elaborate your method further please?