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  • Subject: Re: OPNQRY reference book
  • From: "Mike Naughton" <mnaughton@xxxxxxxxxxxx>
  • Date: Fri, 26 Jan 2001 21:10:56 -0500

This is not specific to OPNQRYF, but when I need to use a single quote ( '
) in a program, I like to fall back on a trick I learned way back in my
Wang Basic programming days: use the hex value. The following code:

DCL    &SQ *CHAR 1 VALUE(X'7D')     /* Single Quote (') */                
                 
                                                    
CHGVAR &MS VALUE(&SQ *CAT 'TEST' *CAT &SQ)          

will produce a value of &MS of 'TEST' (single quotes included in the
value).

This way, I am able to be really clear about when I am looking at single
quotes that are supposed to be _part_ of the string value I am dealing
with, and when I am looking at single quotes that _surround_ the string
value I am dealing with. I never bothered to learn the single quote/double
single quote/triple single quote/(etc.) rules, since this other way always
seemed so much simpler.

Of course, it also works well for any other character (tab, etc.) that is
inconvenient (or impossible) to enter directly into your code. . . .

hth,

RPG400-L@midrange.com writes:
>Hi Folks,
>
>Although I have been using OPNQRY command from last 7 years, and am very
>comfortable with
>it. But still some times while selecting records face problem with single
>quote and
>double quote. Does any body know how can I get complete information about
>OPNQRY command.
>How to use it, with example and brief elaboration.
>
>
>Thanks and Regards
>
>Ahmed Hussain


Mike Naughton
Senior Programmer/Analyst
Judd Wire, Inc.
124 Turnpike Road
Turners Falls, MA  01376
413-863-4357 x444
mnaughton@juddwire.com

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