.. in $PWD: bug or feature?

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2 total messages Started by Mitchell N. Perilstein Mon, 10 Aug 1992 18:16

#272

Author: Mitchell N. Perilstein
Date: Mon, 10 Aug 1992 18:16

30 lines
1032 bytes

Forgive me if this is part of the old getwd() problem but,

  bash$ cd /usr/local/..
  bash$ builtin pwd
  /usr
  bash$ /bin/pwd
  /usr
  bash$ echo $PWD
  /usr/local/..

When should `pwd` differ from $PWD? Users who have \W in their PS1 might
find this annoying. 


bash$ echo $BASH_VERSION
1.12.1

# Also seen on Sun3,
SunOS unuk 4.0  sun

# Sun4,
SunOS mira 4.1 2 

# and rs6000
AIX maya 1 3 000001601000

---
 Mitchell N. Perilstein                          5457 Twin Knolls Rd
 CAD Language Systems, Inc.                      Suite 101
 410-992-5700                                    Columbia, MD 21045-3259

Re: .. in $PWD: bug or feature?

#872

Author: Chet Ramey
Date: Tue, 11 Aug 1992 17:22

30 lines
1225 bytes

In article <MITCH.92Aug10141637@mira.clsi> mitch@clsi.UUCP (Mitchell N. Perilstein) writes:
>Forgive me if this is part of the old getwd() problem but,
>
>  bash$ cd /usr/local/..
>  bash$ builtin pwd
>  /usr
>  bash$ /bin/pwd
>  /usr
>  bash$ echo $PWD
>  /usr/local/..
>
>When should `pwd` differ from $PWD? Users who have \W in their PS1 might
>find this annoying. 

This is fixed in 1.13, which performs canonicalization on $PWD.

odin(3)$ cd /usr/local/..
odin(3)$ builtin pwd
/usr
odin(3)$ /bin/pwd
/usr
odin(3)$ echo $PWD
/usr

Chet
-- 
``The use of history as therapy means the corruption of history as history.''
	-- Arthur Schlesinger

Chet Ramey, Case Western Reserve University	Internet: chet@po.CWRU.Edu

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