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Re: `pwd' returns a dot

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From Stephane Chazelas <stephane.chazelas@gmail.com>
Newsgroups gnu.bash.bug
Subject Re: `pwd' returns a dot
Date Wed, 16 Sep 2015 10:46:51 +0100
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2015-09-16 15:51:08 +0800, ziyunfei:
> $ cd /
> $ PWD=. bash -c pwd
> .
> $ PWD=. ksh -c pwd
> /
> 
> Posix says that pwd shouldn't return the filenames dot or dot-dot.
> http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pwd.html

Also:

$ cd /
$ PWD=bin/.. bash -c 'pwd; cd ..; pwd'
bin/..
..

Note that POSIX is now explicit in how $PWD from the environment
should be handled:

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_03

-- 
Stephane

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Re: `pwd' returns a dot Stephane Chazelas <stephane.chazelas@gmail.com> - 2015-09-16 10:46 +0100

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