1. How can a COBOL program handle an input file with a variety of fixed 
(?) record lengths.

- Write small Hlasm program that returns record pointer and length.  It 
can handle all RECFM.

- Multiple file definitions, each defined as OPTIONAL.  Open each and look 
at file status to see which one is really there.

I've done both methods but prefer former as it is universal.

2. The people who do encryption tell me they have a software package to do 
such from Cobol.  They said it would take too long to explain the details.

IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> wrote on 
10/18/2012 02:06:48 PM:

> From: Charles Mills <charl...@mcn.org>
> To: IBM-MAIN@LISTSERV.UA.EDU, 
> Date: 10/18/2012 02:07 PM
> Subject: Re: File Processing
> Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU>
> 
> Two problems here, right?
> 
1. How can a COBOL program handle an input file with a variety of fixed 
(?) record lengths.
> 
> 2. How can a COBOL program encrypt a field?
> 
> Answers:
> 
> 1. I'm not much of a COBOL guy but I am going to guess you need 
> three different FD's and a PARM= that tells it which one to use.
> 
> 2. A major topic of its own. Ron, any idea what sort of API or 
> package you intend to use to do this? IBM? Third-party? Have you 
> thought about password management? Public key? Private key? Would 
> perhaps just masking the number -- making it unreadable to the 
> average guy or gal -- be sufficient?
> 
> Is there an API to encrypt a field with crypto services? 

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU

> I have a requirement where  the input file is comming from a thrid 
> party system and each of the files is having different logical 
> record lengths. Once the file cam i have  to use the file and 
> encrypt the customer number that is there. Please let me know how in
> a  single cobol program we can acheive the same?
> 
> Regards
> Ron T


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