[TUHS] A few comments on porting the Bourne shell

[Chet Ramey]

On 1/1/23 5:44 AM, arnold at skeeve.com wrote:
> Chet Ramey <chet.ramey at case.edu> wrote:
> 
>> On 12/30/22 1:25 PM, Paul Ruizendaal wrote:
>>>
>>> London and Reiser report about porting the shell that “it required by
>>> far the largest conversion effort of any supposedly portable program,
>>> for the simple reason that it is not portable.” By the time of SysIII
>>> this is greatly improved, but also in porting the SysIII user land it
>>> was the most complex of the set so far.
>>
>> Have you read
>>
>> http://www.collyer.net/who/geoff/sh.tour.pdf
>>
>> and looked at http://www.collyer.net/who/geoff/v7sh.tar ?
>>
>> In the limited literature on Bourne Shell porting, this is authoritative.
>>
>> Arnold Robbins built on that work and ported the v8-v10 shells to modern
>> Linux versions. (I am sorry, I do not have a link right now.)
> 
> Sorry to say, it wasn't me. Geoff Collyer made the v9 sh portable
> and it's available from his web site.

My bad, credit to Geoff.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://tiswww.cwru.edu/~chet/