> From: Paul Gilmartin <paulgboul...@aim.com>
> To: IBM-MAIN@bama.ua.edu
> Date: 03/21/2012 05:29 PM
> Subject: Re: rexx cpu intensive
> Sent by: IBM Mainframe Discussion List <IBM-MAIN@bama.ua.edu>
> 
> On Wed, 21 Mar 2012 16:40:12 -0500, Jonathan Goossen wrote:
> 
> >A way to simulate this is to accumulate the stem elements to a string 
and 
> then iterate through them.
> 
> If jobs is a string of job names...
> 
> o Sometimes you haven't control over this: the compound
>   may be defined by a host environment command.

In those cases you would still know the names and can load them into a 
string. The only such host environment that I have worked with like that 
is SDSF and it uses predefined variables to hold strings of stem names 
that are passed back and forth telling SDSF what is wanted and SDSF 
telling the user what it is returning.

But this is a special situation and doesn't invalidate the method as a 
work around for what the OP was wanting in the general sense that was 
stated.

> 
> o The various tails may contain embedded blanks.

I have yet to have that situation. But like everything there are 
exceptions and issues. My first thought at dealing with a list of of items 
where items have embedded blanks is to use a token substitution mechanism. 
And I can think of two possible ways to implement that as well. 

> 
> n = words(jobs)
> do i = 1 to n
>   job = word(jobs, i)
>   if stem_var.job = ?.
>   Other_stem.job = 'foo'
> etc.
> 
> -- gil
> 
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