Line break at last file line ".txt" PL-SQL toad - oracle

Question

Lv_Line:= Clave ||' '||ValorSeguridad;
UTL_FILE.put(Lf_Archivo, Lv_Line);
The last Line makes me a line break and I need not to make the line break and the UTL_FILE library makes me the line break either with Put or PutLine.
I need the file to look like this:
Currently it looks like this:

Answer 1

That's expected; there's always an empty line at the end of file if you use text mode. But, if you use byte mode, then the line is gone.
This is something like you currently have, I presume:
SQL> declare
2 l_file utl_file.file_type;
3 l_dir varchar2 (100) := 'EXT_DIR';
4 l_filename varchar2 (100) := 'text.txt';
5 l_line varchar2 (100);
6 begin
7 l_line := 'Test text';
8 l_file := utl_file.fopen (l_dir, l_filename, 'W');
9 utl_file.put(l_file, l_line);
10 utl_file.fclose (l_file);
11 exception
12 when others then
13 utl_file.fclose(l_file);
14 raise;
15 end;
16 /
PL/SQL procedure successfully completed.
SQL> $type text.txt
Test text
--> empty line here
SQL>
Do it this way (see comments which mark the difference):
SQL> declare
2 l_file utl_file.file_type;
3 l_dir varchar2 (100) := 'EXT_DIR';
4 l_filename varchar2 (100) := 'text.txt';
5 l_line varchar2 (100);
6 begin
7 l_line := 'Test text';
8 l_file := utl_file.fopen (l_dir, l_filename, 'WB'); --> this
9 utl_file.put_raw (l_file, utl_raw. cast_to_raw (l_line)); --> this
10 utl_file.fclose (l_file);
11 exception
12 when others then
13 utl_file.fclose(l_file);
14 raise;
15 end;
16 /
PL/SQL procedure successfully completed.
SQL> $type text.txt
Test text
SQL> --> no more empty line