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Re: cd // produces unexpected results


From: Chet Ramey
Subject: Re: cd // produces unexpected results
Date: Sat, 23 Jun 2012 14:38:58 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:13.0) Gecko/20120614 Thunderbird/13.0.1

On 6/22/12 5:58 PM, Stefano Lattarini wrote:
> On 06/22/2012 09:47 PM, Chet Ramey wrote:
>>> By accident I keyed in :
>>>
>>> cd //
>>>
>>> and noticed that my prompt included both slashes.
>>
>> Posix says shells have to leave two leading slashes in a pathname alone.
>> Three or more can be collapsed to one, but two have to stay unchanged.
>> This has come up multiple times in the past.
>>
> A little more info, quoting from the Autoconf manual:

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/cd.html#tag_20_14

Step 8c.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/





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