Re: CHAIN vs SETLL/READE

[John Yeung <gallium.arsenide@xxxxxxxxx>]

On Tue, Oct 15, 2013 at 5:27 PM, John McKee <jmmckee@xxxxxxxxxxxxxx> wrote:
> [In response to Mark S. Waterbury]
> Your pseudo code raises what may be a dumb question:  Is the If Found test
> following the setll needed?  I was under the impression (maybe lucky) that
> if the setll failed, the reade would still return eof.

The IF test there is not strictly needed, in the sense that the
program will work correctly without it; but I believe Mark's intention
there was to avoid the READE if we already know the READE will come up
empty.  (This thread is talking about performance, after all.)

John