In a recent note, Rob Scott said:

> Date:         Wed, 18 Jan 2006 16:02:36 -0500
> 
> Please can you point me to some documentation that says that this is
> inefficient?
> 
> How is it confusing to have a way of knowing exactly where you command
> buffer is going?
> 
A few questions, by analogy:

In your TSO commands, do you ever rely on the user prefix,
or do you always fully qualify every data set name?  (If I
knew your were a UNIX user, I'd ask whether you ever rely
on the current working directory, or always fully qualify
every path name?)

In your assembly code, do you ever refer to equated symbols,
or do you you always user self defining terms so you have a
way of knowing exactly what value is being used?

In your JCL, do you ever code SYSOUT=*, or do you always
code SYSOUT=<class> so you have a way of knowing exactly
what class is being used.

Etc.

Often relying on a globally specified value increases
clarity by reducing clutter.

-- gil
-- 
StorageTek
INFORMATION made POWERFUL

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