[ksh93-integration-discuss] ksh93 Integration Update 1 Amendments 1 [PSARC/2008/344 FastTrack timeout 06/03/2008]

[James Carlson]

Garrett D'Amore writes:
> Have the upstream providers given thought to dealing with changes like 
> this and their impact on already-deployed scripts?  (Maybe there aren't 
> any that we care about yet, since our ksh93 is still so new.)

We've already had such problems.  See CR 6667990 for one such
accident; you can't call your local function "start" and upgrade
safely from Sun's old ksh88 to ksh93.

> I'm concerned, going forward, as ksh93 syntax becomes more prevalent, 
> that bringing in changes like the above may have unintended consequences 
> in scripts or even ON delivered components, which we cannot easily find 
> or test.

This probably isn't a good place to design a solution, but I share the
sense of unease.  It puts script writers on shaky ground if they can't
either specify a known environment or predict what's "safe."

-- 
James Carlson, Solaris Networking              <james.d.carlson at sun.com>
Sun Microsystems / 35 Network Drive        71.232W   Vox +1 781 442 2084
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