Reading a copy 'end-of-file' marker using TEXT_IO
Hi
I am using TEXT_IO to read a file, but the in the file there are special characters such as
,' ' which I think are "end of file marker" 1A hex, which 'COPY' adds to the end of and ascii copy.
I'm using Oracle forms 6i, and when reading the above characters it raises unhandled exception ORA-01403, even though it hasn't reached the end of file.
Can anyone help or advaise a way to avoid this problem?
Thank You & Regards
Begum
One method is to save your data using the "write to spreadsheet file" vi, using whatever delimiter you choose (usually either comma ro tab char). This gives a file that can be opened with a text editor or Excel, and consists of rows of "numbers" seperated by the delimiter with an end of line char at the end of each row. When read back in using the "Read from Spreadsheet file", you can define how the values will be interpreted, either as numbers or as characters. The read data will be returned as a 2D array. This array can be indexed, either by autoindexing with loops, or by explicitly indexing to retrieve specific values (A[2,7]) and the returned values used however you wish.
P.M.
Putnam
Certified LabVIEW Developer
Senior Test Engineer
Currently using LV 6.1-LabVIEW 2012, RT8.5
LabVIEW Champion
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Logic froze while I was working on something so I forced quit. Now every time I open LOGIC a message pops up that says:
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The only button option is cancel so I press it and another message appears that says:
"The Preferences are not loaded completely.
Do not save them, as you would overwrite the Preferences file with incomplete data."
Then when i close logic a box appears saying:
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Save them to "com.apple.logic.pro.cs" anyway?"
There are 3 button options to press; ok, cancel or dont save.
I press "don’t save" cuz I don't want to ruin anything.
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How to read file WITHOUT full path using TEXT_IO?
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.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? -
Reading data from flat file Using TEXT_IO
Dear Gurus
I already posted this question but this time i need some other changes .....Sorry for that ..
I am using 10G forms and using TEXT_IO for reading data from flat file ..
My data is like this :-
0|BP-V1|20100928|01|1|2430962.89|27|2430962.89|MUR|20100928120106
9|2430962.89|000111111111|
1|61304.88|000014104113|
1|41961.73|000022096086|
1|38475.65|000023640081|
1|49749.34|000032133154|
1|35572.46|000033093377|
1|246671.01|000042148111|
Here each column is separated by | . I want to read all the columns and want to do some validation .
How can i do ?
Initially my requirement was to read only 2 or 3 columns so i did like this ...
Procedure Pay_Simulator(lfile_type varchar2,lac_no varchar2,lcur varchar2,lno_item number,ltotal number,ldate date,lpay_purp varchar2,lfile_name varchar2)
IS
v_handle utl_file.file_type;
v_filebuffer varchar2(500);
line_0_date VARCHAR2 (10);
line_0_Purp VARCHAR2 (10);
line_0_count Number;
line_0_sum number(12,2);
line_0_ccy Varchar2(3);
line_9_sum Number(12,2);
line_9_Acc_no Varchar2(12);
Line_1_Sum Number(12,2);
Line_1_tot Number(15,2) := 0;
Line_1_flag Number := 0;
lval number;
lacno varchar2(16);
v_file varchar2(20);
v_path varchar2(50);
Begin
v_file := mcb_simulator_pkg.GET_FILENAME(lfile_name); -- For the file name
v_path :=rtrim(regexp_substr( lfile_name , '.*\\' ),'\'); For the Path
v_path := SUBSTR (lfile_name,0, INSTR (lfile_name, '\', -1));
v_handle := UTL_FILE.fopen (v_path, v_file, 'r');
LOOP
UTL_FILE.get_line (v_handle, v_filebuffer);
IF SUBSTR (v_filebuffer, 0, 1) = '0' THEN
SELECT line_0 INTO line_0_date
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 3;
SELECT line_0 INTO line_0_Purp
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 4;
SELECT line_0 INTO line_0_count
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 7;
SELECT line_0 INTO line_0_sum
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 8;
SELECT line_0 INTO line_0_ccy
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 9;
ELSIF SUBSTR (v_filebuffer, 0, 1) = '9' THEN
SELECT line_9 INTO line_9_Acc_no
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_9, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 3;
SELECT line_9 INTO line_9_sum
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_9, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 2;
ELSIF SUBSTR (v_filebuffer, 0, 1) = '1' THEN
line_1_flag := line_1_flag+1;
SELECT line_1 INTO line_1_sum
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_1, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 3;
Line_1_tot := Line_1_tot + line_1_sum;
END IF;
END LOOP;
DBMS_OUTPUT.put_line (Line_1_tot);
DBMS_OUTPUT.PUT_LINE (Line_1_flag);
UTL_FILE.fclose (v_handle);
END;
But now how can i do ? Shall i use like this select Statement for all the columns ?Sorry for that ..
As per our requirement ...
I need to read the flat file and it looks like like this .
*0|BP-V1|20100928|01|1|2430962.89|9|2430962.89|MUR|20100928120106*
*9|2430962.89|000111111111|*
*1|61304.88|000014104113|*
*1|41961.73|000022096086|*
*1|38475.65|000023640081|*
*1|49749.34|000032133154|*
*1|35572.46|000033093377|*
*1|246671.01|000042148111|*
*1|120737.25|000053101979|*
*1|151898.79|000082139768|*
*1|84182.34|000082485593|*
I have to check the file :-
Validation are 1st line should start from 0 else it should raise an error and insert that error into one table .
The for 2nd line also same thing ..it should start from 9 else it should raise an error and insert that error into one table .
Then the 3rd line should start from 1 else it should raise an error and insert that error into one table .
After that i have to do a validation like i will read the 1st line 2nd column .. It should be like this BP-V1 else raise an error and insert that error to a table . Then i will check the 3rd column which is 20100928 , it should be YYYYMMDD format else same thing ERROR.
Then like this for all columns i have different validation .......
Then it will check for the 2nd line 3rd column . this is an account no .1st i will check it should be 12 char else ERROR .Then I will check that what user has imputed in the form.Like for example User putted 111111111 then i will check with this 000111111111 which is there in the 2nd line . I have to add 000 before that Account no which user imputed .
Then the lines which is starting from 1 , i have to take all the 2nd column for all the lines which is starting from 1 and i have to do a sum . After that i have to compare that sum with the value in the 1st lines ( Starting from 0) 6th column . It should be same else ERROR ...
Then same way i have to count all the lines which is starting from 1 . Then i have to compare with the 7th column of 1st line . It should be same . Here in this file it should be 9.
MY CODE IS :-
Procedure Pay_Simulator(lfile_type varchar2,lac_no varchar2,lcur varchar2,lno_item number,ltotal number,ldate date,lpay_purp varchar2,lfile_name varchar2)
IS
v_handle TEXT_IO.file_type;
v_filebuffer varchar2(500);
line_0_date VARCHAR2 (10);
line_0_Purp VARCHAR2 (10);
line_0_count Number;
line_0_sum number(12,2);
line_0_ccy Varchar2(3);
line_9_sum Number(12,2);
line_9_Acc_no Varchar2(12);
Line_1_Sum Number(12,2);
Line_1_tot Number(15,2) := 0;
Line_1_flag Number := 0;
lval number;
lacno varchar2(16);
v_file varchar2(20);
v_path varchar2(50);
LC$String VARCHAR2(50) ;--:= 'one|two|three|four|five|six|seven' ;
LC$Token VARCHAR2(100) ;
i PLS_INTEGER := 2 ;
lfirst_char number;
lvalue Varchar2(100) ;
Begin
v_file := mcb_simulator_pkg.GET_FILENAME(lfile_name); For the file name
v_path :=rtrim(regexp_substr( lfile_name , '.*\\' ),'\'); For the Path
--v_path := SUBSTR (lfile_name,0, INSTR (lfile_name, '\', -1));
Message(lfile_name);
v_handle := TEXT_IO.fopen(lfile_name, 'r');
BEGIN
LOOP
TEXT_IO.get_line (v_handle, v_filebuffer);
lfirst_char := Substr(v_filebuffer,0,1);
--Message('First Char '||lfirst_char);
IF lfirst_char = '0' Then
Loop
LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
Message('VAL - '||LC$Token);
lvalue := LC$Token;
EXIT WHEN LC$Token IS NULL ;
i := i + 1 ;
End Loop;
Else
Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (9999,'0002','First line should always start with 0');
Forms_DDL('Commit');
raise form_Trigger_failure;
End if ;
TEXT_IO.get_line (v_handle, v_filebuffer);
lfirst_char := Substr(v_filebuffer,0,1);
LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
--Message('Row '||LC$Token);
IF lfirst_char = '9' Then
Null;
Else
Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (8888,'0016','Second line should start with 9');
Forms_DDL('Commit');
raise form_Trigger_failure;
End IF;
LOOP
TEXT_IO.get_line (v_handle, v_filebuffer);
lfirst_char := Substr(v_filebuffer,0,1);
LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
--Message('Row '||LC$Token);
IF lfirst_char = '1' Then
Null;
Else
Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (7777,'0022','The third line onward should start with 1');
Forms_DDL('Commit');
raise form_Trigger_failure;
End if;
END LOOP;
--END IF;
END LOOP;
EXCEPTION
When No_Data_Found Then
TEXT_IO.fclose (v_handle);
END;
Exception
When Others Then
Message('Other error');
END;
I am calling the FUNCTION which you gave SPLIT as mcb_simulator_pkg.Split.
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