UTL_FILE.FGETATTR

Question

I need to read a file on the DIR ( UTL_FILE_DIR = location ) , and make sure that exists, so :
1 - Situation "A"a given file name :
SQL> set serveroutput on
SQL> DECLARE
2
3 ex BOOLEAN;
4 flen NUMBER;
5 bsize NUMBER;
6
7 BEGIN
8 utl_file.fgetattr('FLATFILES', 'test.txt', ex, flen, bsize);
9
10 IF ex THEN
11 dbms_output.put_line('File Exists');
12 ELSE
13 dbms_output.put_line('File Does Not Exist');
14 END IF;
15 dbms_output.put_line('File Length: ' || TO_CHAR(flen));
16 dbms_output.put_line('Block Size: ' || TO_CHAR(bsize));
17 END fgetattr;
18 /
File Exists
File Length: 314
Block Size: 0
OK OK OK OK , no problem here ...
2 - Situation "B"No names ...
SQL> set serveroutput on
SQL>
SQL> DECLARE
2
3 ex BOOLEAN;
4 flen NUMBER;
5 bsize NUMBER;
6
7 BEGIN
8 utl_file.fgetattr('FLATFILES', '*.txt', ex, flen, bsize);
9
10 IF ex THEN
11 dbms_output.put_line('File Exists');
12 ELSE
13 dbms_output.put_line('File Does Not Exist');
14 END IF;
15 dbms_output.put_line('File Length: ' || TO_CHAR(flen));
16 dbms_output.put_line('Block Size: ' || TO_CHAR(bsize));
17 END fgetattr;
18 /
File Does Not Exist
File Length: 0
Block Size: 0
Ups... can't search by extension ...
Please any Ideias ...

Answer 1

UTL_FILE can only work with named files. It is not intended to work with OS directories. This is a good situation to use a Java Stored Procedure. The inestimable Mr Kyte has an example on his AskTom web site.
Cheers, APC