Removing the carriage return / Tab during data extraction

Hi ,
I have an issue with removing the carriage return / Tab from the extracted (Flat File) data from SAP EKPO table.
1) While uploading(Long Back) the Legacy data to SAP tables the carriage returns and Tabs in Product description were uploaded to SAP tables.
2) Now I am extracting data from bkpf,..EKPO.. tables to a flat file .
3) When I extract the data i. PO number, Product description,......
The Product description is going to 3 to 5 lines depending on the carriage returns and Tabs in the Product description. Ekpo-txz01
Ex : Mfg # DS104NA / NET######GEAR DS104 Hub######model
I want this product description in one continuous line. It is possible only by removing the Carriage returns and tabs from product description before concatenating and TRANSFERING the file to Server.
4) What is getting: The line is breaking @gear @ Hub due to Carriage return/Tab
Mfg D NET
GEAR DS104 Hub
model .
5) What is required is: in one line
Mfg D NETGEAR DS104 model
In the process I am extracting product description from Ekpo-txz01 . So it is internal table. Now I want to remove the carriage return / Tab .
How these can be removed.
Thanks,
Vasu

Dear Vasu,
Sometimes there is a problem that cannot be solved normally. This is one of them.
The reason why the mentioned methods do not work is because you need to remove actually two characters CR and LF in one stroke. You can identify one but then not the other. So approach it from the other side.
Simply define what your correct characters might be AND only use them to export.
Below you will find a FORM routine that does just that (only passes defined valid characters and NOT others).
FORM validate_field USING    VALUE(field_in)
                    CHANGING field_out.
CONSTANTS:
All low caps characters
validlow(26) TYPE c VALUE 'abcdefghijklmnopqrstuvwxyz',
All upper caps characters and all figures
validhigh(36) TYPE c VALUE '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ',
All other characters (starting with space)
validrest(32) TYPE c VALUE ' <,>.?/:;"{[}]|\~`!@#$%^&*()_-+=',
Single quote
validquote           VALUE ''''.
DATA:
    pos(1) TYPE c,         " Container to hold 1 character
    l      TYPE i,         " Length
    i      TYPE i.         " Indexer
Determine length
l = STRLEN( field_in ).
Stripping loop
WHILE i LT l.
Get one character
    pos = field_in+i(1).
Check its validity
    IF pos CO validlow
    OR pos CO validhigh
    OR pos CO validrest
    OR pos EQ validquote.
    When valid, use it
      concatenate field_out
                  pos
             into field_out.
    ENDIF.
ENDWHILE.
ENDFORM.
Hopes this helps solving your problem.
Regards,
Rob.

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