GNU bug report logs - #64604
readlink exit booelan value bug

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#64603: closed ()
Date: Fri, 14 Jul 2023 02:55:03 +0000

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Your message dated Thu, 13 Jul 2023 19:54:09 -0700
with message-id <ba54d29f-39c6-0575-9867-cfbd7efabcda <at> cs.ucla.edu>
and subject line Re: bug#64604: readlink exit booelan value bug
has caused the debbugs.gnu.org bug report #64604,
regarding 
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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64604: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64604
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From: Budi <budikusasi <at> gmail.com>
To: bug-coreutils <at> gnu.org
Date: Fri, 14 Jul 2023 09:35:42 +0700

readlink exit value is TRUE as it actually must be FALSE at first
depth dir. with -f or -e option e.g. in /tmp dir:


/tmp$ readlink -f ./KERNEL-linux-6.3.9  && echo SUCCEEDS FIND IT
/tmp/KERNEL-linux-6.3.9
SUCCEEDS FIND IT

but correct at deeper depth:

/tmp$ readlink -f ./KERNEL-linux-6.3.9/fs  && echo SUCCEEDS FIND IT



look it up, no KERNEL-linux-6.3.9 dir.:

/tmp$ ls -Apv
.ICE-unix/                      opera/
.X11-unix/                      ssh-Xbe0jzj/  .xfsm-ICE-1BY671
.org.chromium.IfJAAT/   dbus-QZsDmoWAoc

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Budi <budikusasi <at> gmail.com>, 64604-done <at> debbugs.gnu.org
Subject: Re: bug#64604: readlink exit booelan value bug
Date: Thu, 13 Jul 2023 19:54:09 -0700

On 2023-07-13 19:38, Budi wrote:
> /tmp$ readlink -f ./KERNEL-linux-6.3.9  && echo SUCCEEDS FIND IT
> /tmp/KERNEL-linux-6.3.9
> SUCCEEDS FIND IT
> 
> but correct at deeper depth:
> 
> /tmp$ readlink -f ./KERNEL-linux-6.3.9/fs  && echo SUCCEEDS FIND IT
> 
> 
> 
> look it up, no KERNEL-linux-6.3.9 dir.:

That's not a bug. The documentation for -f says that the last component 
need not exist. Sounds like you want -e.

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