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lenovo
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Joined: 27 Nov 2008
Posts: 31
Topics: 9
Location: India
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 Posted: Tue Nov 10, 2009 8:59 am Post subject: Problem Statament: Convert PL/I to Cobol |
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Hi,
I have a file whose record are like a normal copybook records.
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1 WS-GRP, /* first record*/
2 WS-A1 char(8), /* second record*/
2 WS-A2 fixed binary(31); /* third record*/
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Now the problem is I want to convert the above file in PL/I to its equivalent COBOL part. i.e. comma(,) to replaced with dot(.). The PIC clause to be added. The attributes like fixed binary to be converted to its COBOL equivalent.
Can you please please suggest how this can be possible. Or I need to write a program for this.
Kindly Suggest. |
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dbzTHEdinosauer
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Joined: 20 Oct 2006
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Location: germany
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lenovo
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Joined: 27 Nov 2008
Posts: 31
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Location: India
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| Posted: Wed Nov 11, 2009 6:50 am Post subject: |
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dbzTHEdinosauer,
Thanks for the effort.
I have checked google but nothing fruitful.
Can you suggest from where I should start. |
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kolusu
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Joined: 26 Nov 2002
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Location: San Jose
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lenovo
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Joined: 27 Nov 2008
Posts: 31
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Location: India
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| Posted: Wed Nov 11, 2009 11:52 am Post subject: |
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Thanks kolusu,
The sites mention there product for the conversion.
Is it possible to write a program for the conversion?
Please suggest. |
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prino
Banned
Joined: 01 Feb 2007
Posts: 45
Topics: 5
Location: Oostende
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| Posted: Wed Nov 11, 2009 12:20 pm Post subject: |
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| lenovo wrote: | Thanks kolusu,
The sites mention there product for the conversion.
Is it possible to write a program for the conversion? |
Of course, if you have enough time you can do so.
However, be aware that there are utter sithloads of PL/I constructions that cannot be translated to COBOL! |
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papadi
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Joined: 20 Oct 2009
Posts: 594
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| Posted: Wed Nov 11, 2009 6:32 pm Post subject: |
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Unless you/your organization is willing to purchase a product (and someone needs to make sure it works for your most unique cases), you'd be more productive creating a process to follow.
Rather than trying to convert lines of pl/i code to cobol, define the various "business" processes and re-code these processes in cobol. Once underway, you will probably discover that many techniques have been repeated over and over and once you know how to accomplish the same functionality in cobol, re-use the converted process.
_________________
All the best,
di |
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lenovo
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Joined: 27 Nov 2008
Posts: 31
Topics: 9
Location: India
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| Posted: Thu Nov 12, 2009 5:54 am Post subject: |
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papadi,
Currently, the requirement is limited to converting the PL/I copybook to COBOL copybook and this should be an automate process.
I am willing to write a program(if any) for this but I am not sure from where to start with. |
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Dibakar
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Joined: 02 Dec 2002
Posts: 699
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Location: USA
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| Posted: Tue Nov 17, 2009 11:54 am Post subject: |
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| Quote: |
I am willing to write a program(if any) for this but I am not sure from where to start with
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I am not fluent with Pl/I but apparently you need to do the following to get started -
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Open PL/I copybook for input
Open COBOL copybook for output
while not end of PL/I copybook
read a line from PL/I copybook
if comment line then
write a comment in COBOL copybook
else
seperate data definition and comments
if comments found then write comments to COBOL copybook
convert data definition to COBOL data definition
write cobol data definition to COBOL copybook
end if
end while
Close PL/I and COBOL copybooks
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Given a choice I would do it in REXX but it can be done in any language |
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Crox
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Joined: 29 May 2004
Posts: 52
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| Posted: Wed Dec 16, 2009 5:39 am Post subject: |
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Hi, I have seen the conversion results of pl/i to cobol from cornerstone. It changes completely into true cobol. For example depending on where a verify is used for, it is converted into a check for zero, numeric, alfabetic, things like that. Their cobol is very good and easy to understand for cobol programmers. There is not a funny subroutine that simulates a verify in cobol. The most difficult thing is that pl/i has it's own way with allocating slack-bytes, in an other way that cobol works. There is also no good support for bits in cobol on the mainframe. This is also solved in a cobol friendly way.
I have heard about others that makes a kind of assembler from pl/i and change that into cobol. Those results are also working but the source is not easy to maintain anymore. |
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