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Cobol to fetch the content by using start,end filed in a PS


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arunc55

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Joined: 15 Nov 2017
Posts: 2
Location: India

PostPosted: Fri Nov 17, 2017 1:25 pm
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Hi All,

I'm working on a program to fetch the content of data from a PS file by giving the input as start field and end filed.

For example:

It consist of three input files
Input 01 is PS file contains the data
Code:
15 ALPHABET-($).                               
                17 ABC-($)      PIC 9(3).             
                17 DEF-($)      PIC 9(3).             
                17 GHIJK-($)    PIC 9(5).             
                17 LMNO-($)     PIC 9(4).             
                17 PQRSTU-($)   PIC 9(6).             
                17 VWXYZ-($)    PIC S9(5)      COMP-3.


Input 02 will be passed through JCL and it's group name ALPHABET-($)

Input 03 will be passed through JCL and it's variable name LMNO-($)

The desired output is:

Code:
15 ALPHABET-($).                               
  17 ABC-($)      PIC 9(3).             
  17 DEF-($)      PIC 9(3).             
  17 GHIJK-($)    PIC 9(5).             
  17 LMNO-($)     PIC 9(4). 


Can someone please help me out to solve this through a sample cobol.
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Nic Clouston

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Joined: 10 May 2007
Posts: 2448
Location: Hampshire, UK

PostPosted: Fri Nov 17, 2017 1:39 pm
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Nope.

What do you mean by
Quote:
passed through JCL
? What JCL? What programs is the JCL executing?

Your progam input is a data structure and your desired output is the same data structure, left-shifted and a couple of the fields removed? So what are the other 2 data sets (they are not 'files')?
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arunc55

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Joined: 15 Nov 2017
Posts: 2
Location: India

PostPosted: Fri Nov 17, 2017 2:56 pm
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Hi Nic,

Please consider the below explanation

The input 01 consist the below

Code:
15 ALPHABET-($).                               
  17 ABC-($)      PIC 9(3).             
  17 DEF-($)      PIC 9(3).             
  17 GHIJK-($)    PIC 9(5).             
  17 LMNO-($)     PIC 9(4).             
  17 PQRSTU-($)   PIC 9(6).             
  17 VWXYZ-($)    PIC S9(5)      COMP-3.


The input 02 consist the below (start field)

Code:
ALPHABET-($)


The input 03 consist the below (end field)

Code:
LMNO-($)


So here what I need is, the program should read all the inputs and need to fetch the fields from start field to end field from input 01 and write into an output file

So the desired output should be,

Code:
15 ALPHABET-($).                               
  17 ABC-($)      PIC 9(3).             
  17 DEF-($)      PIC 9(3).             
  17 GHIJK-($)    PIC 9(5).             
  17 LMNO-($)     PIC 9(4).
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prino
Warnings : 1

Senior Member


Joined: 07 Feb 2009
Posts: 1238
Location: Vilnius, Lithuania

PostPosted: Fri Nov 17, 2017 3:32 pm
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And which PHB has come up with this ludicrous requirement?

Quote:
Can someone please help me out to solve this through a sample cobol.

Which, cynic mode on, really means: Can anyone do my work for me.

This is a forum for experts, and experts charge at least USD/EUR/GBP 100 per hour. Are you prepared to pay?
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10712
Location: italy

PostPosted: Fri Nov 17, 2017 4:05 pm
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if You look at the top left of the page You will see
EXPERT FORUM

and You qualify Yourself as
Quote:
software engineer
Mainframe Skills: COBOL,JCL,DB2


unfortunately the question You asked really does not qualify You as an expert
and certainly not skilled in COBOL

You might be better off migrating here
www.ibmmainframeforum.com/
A Help & Support Forum for Mainframe Beginners

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