Generating an XML formated text file

Hi all
I am a PL/SQL programmer and have no idea about XML :-(
I am using ORACLE 10g and my application generates atleast 100 text files a day for customers. These files are manipulated using Utl_File package and gets data from the DB.These files are tab or comma delimeted. Now company wants to give an option to customers to get the same output in XML format. My understanding is that I need to get information from customers first to make the report template for them and then use some XML parser to get data from DB and give an output using that customer's specific template.
I wanna know, if there is any whitepaper or manual that can guide me step by step. I just need to make an idea how the things can go togather and the sequence of operation. I also wanna use only PL/SQL and not Java at this time.
Rashid
Message was edited by:
rashid68

check it out at http://www.orafaq.com/faqxml.htm

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I have a requirement like....
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>
HP CReddy wrote:
> Dear All,
>
> I have a requirement like....
>
> I am getting a XML file as a result of mapping and it needs to be converted to a TEXT file and
> the converted file needs to be sent to a mail address in text format.
>
> Any body has idea how to achieve this?
>
> Thanks in advance for your help.
>
> Regards
> Hari
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<?xml version="1.0" encoding="ISO-8859-1"?>
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MALLIK_ACCT ...17-SEP-11 .... 908030482
MALLIK_ACCT ...17-SEP-11 .... 908266967
MALLIK_ACCT ...17-SEP-11 .... 909570766
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column data length may icrease some times . it shoudl automatically adjust column and data so that they are in alignment. thanks in advance.

Mallik wrote:
Hi my question is to format the headers so that they will be in alignment with column data and readable.So you want to output a query as a fixed width format data file? How about this (rather than using scripts)...
As sys user:
CREATE OR REPLACE DIRECTORY TEST_DIR AS '\tmp\myfiles'
GRANT READ, WRITE ON DIRECTORY TEST_DIR TO myuser
/As myuser:
CREATE OR REPLACE PROCEDURE run_query(p_sql IN VARCHAR2
                                     ,p_dir IN VARCHAR2
                                     ,p_header_file IN VARCHAR2
                                     ,p_data_file IN VARCHAR2 := NULL) IS
v_finaltxt VARCHAR2(4000);
v_v_val     VARCHAR2(4000);
v_n_val     NUMBER;
v_d_val     DATE;
v_ret       NUMBER;
c           NUMBER;
d           NUMBER;
col_cnt     INTEGER;
f           BOOLEAN;
rec_tab     DBMS_SQL.DESC_TAB;
col_num     NUMBER;
v_fh        UTL_FILE.FILE_TYPE;
v_samefile BOOLEAN := (NVL(p_data_file,p_header_file) = p_header_file);
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c := DBMS_SQL.OPEN_CURSOR;
DBMS_SQL.PARSE(c, p_sql, DBMS_SQL.NATIVE);
d := DBMS_SQL.EXECUTE(c);
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      WHEN 1 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_v_val,2000);
      WHEN 2 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_n_val);
      WHEN 12 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_d_val);
    ELSE
      DBMS_SQL.DEFINE_COLUMN(c,j,v_v_val,2000);
    END CASE;
END LOOP;
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v_fh := UTL_FILE.FOPEN(upper(p_dir),p_header_file,'w',32767);
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LOOP
    CASE rec_tab(j).col_type
      WHEN 1 THEN v_finaltxt := v_finaltxt||rpad(lower(rec_tab(j).col_name),rec_tab(j).col_max_len,' ');
      WHEN 2 THEN v_finaltxt := v_finaltxt||rpad(lower(rec_tab(j).col_name),rec_tab(j).col_max_len,' ');
      WHEN 12 THEN v_finaltxt := v_finaltxt||rpad(lower(rec_tab(j).col_name),greatest(19,length(rec_tab(j).col_name)),' ');
    END CASE;
END LOOP;
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    UTL_FILE.FCLOSE(v_fh);
END IF;
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IF NOT v_samefile THEN
    v_fh := UTL_FILE.FOPEN(upper(p_dir),p_data_file,'w',32767);
END IF;
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    LOOP
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        WHEN 1 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_v_val);
                    v_finaltxt := v_finaltxt||rpad(nvl(v_v_val,' '),rec_tab(j).col_max_len,' ');
        WHEN 2 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_n_val);
                    v_finaltxt := v_finaltxt||rpad(nvl(to_char(v_n_val,'fm99999999999999999999999999999999999999'),' '),rec_tab(j).col_max_len,' ');
        WHEN 12 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_d_val);
                    v_finaltxt := v_finaltxt||rpad(nvl(to_char(v_d_val,'DD/MM/YYYY HH24:MI:SS'),' '),greatest(19,length(rec_tab(j).col_name)),' ');
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    END LOOP;
    UTL_FILE.PUT_LINE(v_fh, v_finaltxt);
END LOOP;
UTL_FILE.FCLOSE(v_fh);
DBMS_SQL.CLOSE_CURSOR(c);
END;This allows for the header row and the data to be written to seperate files if required.
e.g.
SQL> exec run_query('select * from emp','TEST_DIR','output.txt');
PL/SQL procedure successfully completed.Output.csv file contains:
empno                 ename     job      mgr                   hiredate           sal                   comm                  deptno
7369                  SMITH     CLERK    7902                  17/12/1980 00:00:00800                                         20
7499                  ALLEN     SALESMAN 7698                  20/02/1981 00:00:001600                  300                   30
7521                  WARD      SALESMAN 7698                  22/02/1981 00:00:001250                  500                   30
7566                  JONES     MANAGER 7839                  02/04/1981 00:00:002975                                        20
7654                  MARTIN    SALESMAN 7698                  28/09/1981 00:00:001250                  1400                  30
7698                  BLAKE     MANAGER 7839                  01/05/1981 00:00:002850                                        30
7782                  CLARK     MANAGER 7839                  09/06/1981 00:00:002450                                        10
7788                  SCOTT     ANALYST 7566                  19/04/1987 00:00:003000                                        20
7839                  KING      PRESIDENT                      17/11/1981 00:00:005000                                        10
7844                  TURNER    SALESMAN 7698                  08/09/1981 00:00:001500                  0                     30
7876                  ADAMS     CLERK    7788                  23/05/1987 00:00:001100                                        20
7900                  JAMES     CLERK    7698                  03/12/1981 00:00:00950                                         30
7902                  FORD      ANALYST 7566                  03/12/1981 00:00:003000                                        20
7934                  MILLER    CLERK    7782                  23/01/1982 00:00:001300                                        10
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Adapt to output different datatypes and styles are required (this is currently coded for VARCHAR2, NUMBER and DATE)

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Regards, RSingh

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I have uninstalled, rebooted and re-installed multiple times as administrator and with various compatibility settings with no success. I have tried to install from CD as well as over the internet with the same result.
Advice please.
This question was solved.
View Solution.

Hey,
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http://h30434.www3.hp.com/t5/Notebook-Operating-Systems-e-g-Windows-8-and-Software/officejetpro-8600...
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-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------
I am not an HP employee.

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