Re: [PLUG] traversing symbolically linked directories with bash

["Eric at Lucii.org" <eric@lucii.org>]

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Thanks, that was a good post!

I'm still cogitating on it but I have the feeling I'm not going to get what I want... at least not in bash.


On 12/29/2011 05:18 PM, Jeff Bailey wrote:
> according to this:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642392
> 
> it seems like Debian prefers it that way....
> 
> 
> On 12/29/11, Eric at Lucii.org wrote:
> 
> I've run across a behavior in bash that I thought was impossible.
> 
> I'm running bash on an Ubuntu 10.04 box.
> Bash is: GNU bash, version 4.1.5(1)-release (i486-pc-linux-gnu)
> 
> I have a home directory and I create a soft link to another directory like this example:
> 
> /home/eric/appdata -> /opt/myapplication/users/eric/data
> 
> Now I start a shell in my home directory, cd to appdata, and then try to see where I am:
> 
> shell builtin "pwd" returns: /home/eric/appdata
> executable /bin/pwd returns: /home/eric/appdata
> ls -l .. shows contents of /home/eric
> cd .. takes me back to /home/eric
> 
> SO FAR, SO GOOD.
> 
> Next, I log on to a Debian system.
> Linux version 2.6.26-2-686 (Debian 2.6.26-27) (dannf@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 4.1.2-25)) #1 SMP Wed Sep 21 04:35:47 UTC 2011
> 
> I do the same thing...
> shell builtin "pwd" returns: /home/eric/appdata
> executable /bin/pwd returns: /opt/myapplication/users/eric/data <- OOPS!
> Here's my problem:
> ls -l .. shows contents of /opt/myapplication/users/eric, NOT /home/eric
> cd .. takes me back to /opt/myapplication/users/eric, NOT /home/eric
> 
> Is there some bash setting I'm unaware of that causes this behavior? It makes no sense to me!
> I don't even know how to do a Google search for it. I thought it might be related to some aspect
> of posix mode but the behavior remains even after exec bash --posix or set -o posix.
> 
> 
> Eric
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- -- 
#  Eric Lucas
#
#                "Oh, I have slipped the surly bond of earth
#                 And danced the skies on laughter-silvered wings...
#                                        -- John Gillespie Magee Jr
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