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Unstring and String in Cobol


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kovur

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PostPosted: Wed Nov 21, 2007 3:42 pm
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I have the following code in my programme.

MOVE WS-ADDR1 TO ADDR-1

In ws-addr1 record we have symbols like '@', ',', '&'.
I want to replace the '&' symbol in the ws-addr1 with the '&amp'.
After replacing only I want to move it to addr-1.
How can I achieve this?

Thanks in advance.
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kovur

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PostPosted: Wed Nov 21, 2007 4:05 pm
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I ahve tried this with the INSPECT verb. But this verb will replace the the characters which have the same length.
In my case I want to replace '&' with '&amp'

Thanks
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murmohk1

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PostPosted: Wed Nov 21, 2007 4:14 pm
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Kovur,

Please show your var declaration along with examples. If you expect your i/p and o/p should be of same length, there is a possiblility you may loose some data because of change from '&' to '&amp'.
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kovur

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PostPosted: Wed Nov 21, 2007 4:23 pm
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My variable declarations are like this.
01 ws-addr1 pic x(75)

01 addr1 pic x(75)

But in the DB2 table we don't have address lines greater than 30 bytes.
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murmohk1

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PostPosted: Wed Nov 21, 2007 4:26 pm
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Kovur,

Im confused. icon_confused.gif

How 30 bytes are related to 75 bytes?
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kovur

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PostPosted: Wed Nov 21, 2007 4:37 pm
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In the DB2 table we don't have address greater than 30 bytes. Therefore I think If we change the '&' as '&amp' nothing will be truncated.
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kovur

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PostPosted: Wed Nov 21, 2007 4:56 pm
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we are fetching the data from a DB2 table to ws-addr1 and moving it to addr1. Addr-1 is the field in output file.
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CICS Guy

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PostPosted: Wed Nov 21, 2007 6:32 pm
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kovur wrote:
I want to replace the '&' symbol in the ws-addr1 with the '&amp'.
How many '&' might appear in this string, is it known or not?
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kovur

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PostPosted: Wed Nov 21, 2007 6:40 pm
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we don't know exactly. We need to change every '&' into '&amp'.

Thanks
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shankar.v

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PostPosted: Wed Nov 21, 2007 6:50 pm
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kovur,

Whether the address column data type in your DB2 is CHAR or VARCHAR and what is its length?.

While getting value from DB2 column into cobol variable, we have to use proper variables with proper length suitable to DB2 column datatypes.

Let us assume your DB2 address column data type is CHAR(75).

In this case, suppose if all the 75 bytes are filled with '&' then we need a 75 + (75 X 3) = 300 (75 '&' and 75 'AMP') PIC X(300) so that it will accomodate all '&' to be replace with '&AMP'.

Please check with the following sample cobol code for your requirement.
Code:
       IDENTIFICATION DIVISION.                                 
       PROGRAM-ID. PGM.                                     
       DATA DIVISION.                                           
       WORKING-STORAGE SECTION.                                 
       77 WS-A PIC X(75) VALUE ALL '&'.                         
       77 WS-B PIC X(300) VALUE SPACE.                           
       77 I PIC 9(2) VALUE ZERO.                                 
       77 J PIC 9(3) VALUE 1.                                   
       PROCEDURE DIVISION.                                       
           DISPLAY 'INITIAL VALUE OF WS-A : ' WS-A               
           DISPLAY 'INITIAL VALUE OF WS-B : ' WS-B               
           PERFORM VARYING I FROM 1 BY 1 UNTIL I > LENGTH OF WS-A
            EVALUATE WS-A(I:1)                                   
             WHEN '&'                                           
              MOVE '&AMP' TO WS-B(J:)                           
              ADD +4 TO J                                       
             WHEN OTHER                                         
              MOVE WS-A(I:1) TO WS-B(J:)                         
              ADD +1 TO J                             
            END-EVALUATE                             
           END-PERFORM                               
           DISPLAY 'FINAL   VALUE OF WS-B : ' WS-B   
           GOBACK.   
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kovur

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PostPosted: Wed Nov 21, 2007 6:58 pm
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In my case the address line is like this:

Delhi&Mumbai&Kolkata&Chennai.

In some cases there is a space before and after the '&'.

In the output file the address should be

Delhi&ampMumbai&ampKolkata&ampChennai
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stodolas

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PostPosted: Wed Nov 21, 2007 7:31 pm
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Are you converting this to XML and that is why you need the &amp?

I have used the following code after using the XML GENERATE in Cobol. This is just a snip of the code I found at IBM.com and modified for my needs.

Code:

When 'CONTENT-CHARACTER'                         
   Evaluate xml-text                             
      When '<'                                   
         String '&lt;' Delimited by Size         
            Into XML-O-DOC                       
            With Pointer XML-O-LEN               
      When '&'                                   
        String '&amp;' Delimited by Size         
            Into XML-O-DOC                       
            With Pointer XML-O-LEN               
      When other                                 
        String xml-text Delimited by Size       
            Into XML-O-DOC                       
            With Pointer XML-O-LEN               
   End-Evaluate                                 
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shankar.v

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PostPosted: Wed Nov 21, 2007 7:42 pm
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Quote:
In some cases there is a space before and after the '&'.

Do you want to replace those '&' with a space before and after to '&AMP'?.
If the answer is no, then how those '&' with a space before and after to be handled?

Do you want to keep the declaration of the cobol variable which gets the values from DB2 column(address column) and declaration of the variable which is used for writing in to file to be same?.
If yes, are you sure that the values going to replace '&' with '&AMP' will not get truncated?
Quote:
we are fetching the data from a DB2 table to ws-addr1 and moving it to addr1. Addr-1 is the field in output file.

Can you please post the address column datatype and its length?
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kovur

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PostPosted: Wed Nov 21, 2007 7:56 pm
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If my address line is like this

Delhi & Kolkata & Mumbai & Chennai

then also I need to change the & into &amp.

After changing it, the data will not be truncated.
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stodolas

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PostPosted: Wed Nov 21, 2007 7:59 pm
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Have you tried shankar.v's solution? It appears that it has a high likelihood of working.
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shankar.v

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PostPosted: Wed Nov 21, 2007 8:10 pm
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kovur,
Quote:
If my address line is like this

Delhi & Kolkata & Mumbai & Chennai

then also I need to change the & into &amp.

After changing it, the data will not be truncated.

Please check with the logic in the sample cobol code which i was posted earlier for your requirement.
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murmohk1

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PostPosted: Thu Nov 22, 2007 11:12 am
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To all who provided solution,

Quote:
01 ws-addr1 pic x(75)


Quote:
In the DB2 table we don't have address greater than 30 bytes. Therefore I think If we change the '&' as '&amp' nothing will be truncated.


Quote:
we are fetching the data from a DB2 table to ws-addr1 and moving it to addr1. Addr-1 is the field in output file.


Dont you think this is the best example for 'bad design of a program' by any standards?
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kovur

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PostPosted: Sat Nov 24, 2007 12:10 pm
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Hi Friends,

My problem was resolved.
Thank you very much for your suggestions.
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