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Re: [open-cobol-list] Sort utility within OC
From: |
David Essex |
Subject: |
Re: [open-cobol-list] Sort utility within OC |
Date: |
Sun, 27 May 2007 17:30:28 -0400 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1b) Gecko/20020722 |
John R. Culleton wrote:
> David Essex wrote:
> ...
>> I don't have a manual, but if memory serves me,
>> the sort fields must be alpha-numeric.
>
> For the *nix sort utility that is correct but for the COBOL sort a
> numeric field should be available for sorting.
Actually I was referring to a main-frame sort utility.
I can't remember the details, but I encountered some problems with
binary numeric fields.
> From Stern & Stern _ Structured Programming in COBOL_:
> "The SORT verb may be used to sort records on either numeric or
> non-numeric key fields."
Yes, for COBOL that is correct.
In any case in a sort you are comparing fields of the same type.
Ignoring the performance penalty, I don't think that should be a problem.
- Re: [open-cobol-list] Sort utility within OC, (continued)
Re: [open-cobol-list] Sort utility within OC, David Essex, 2007/05/25
Re: [open-cobol-list] Sort utility within OC, David Essex, 2007/05/29