CentOS - Jul 2006 - broken behavior with `look`

Hey everybody,

I'm having a strange problem with a hosted CentOS environment.  I like
to use `look` to correct my spelling.  But it isn't willing to help me
with the word "manager":

#>look man | wc -l                                                     
1001
#>look mana | wc -l                                      
0
#>grep "^mana" /usr/share/dict/words  | wc -l
54

#>md5sum `which look`
05ef59ae2f9183e525ec531dcb07ee8b  /usr/bin/look
#>cat /etc/redhat-release 
CentOS release 4.3 (Final)
#>uname -a
Linux blahblah.com 2.6.8-022stab078.9-entnosplit #1 SMP Thu Jun 8 12:46:44 MSD
2006 i686 athlon i386 GNU/Linux

Can anybody confirm these results?  Any suggestions for a fix?

I found this bug:

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=153276

Which refers to this closed bug:

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=147949

If I'm reading the bug history right, it got fixed by updating the words
file, but now it seems broken again and I don't see any activity.

#>rpm -qf /usr/bin/look                                        
util-linux-2.12a-16.EL4.16
#>rpm -qf /usr/share/dict/words                                       
words-3.0-3

Thanks!

Mike

-- 
You've got male.

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On Tue, Jul 18, 2006 at 07:11:25PM -0400, Mike Hunter
wrote:
> Hey everybody,
> 
> I'm having a strange problem with a hosted CentOS environment.  I like
> to use `look` to correct my spelling.  But it isn't willing to help me
> with the word "manager":
> 
> #>look man | wc -l                                                     
> 1001
> #>look mana | wc -l                                      
> 0
> #>grep "^mana" /usr/share/dict/words  | wc -l
> 54
#> look man | grep -B2 -A2 manager
managemental
managements
manager
manager's
managerdom
manageress
managerial
managerially
managers
managership
managery
manages
managing
> #>md5sum `which look`
> 05ef59ae2f9183e525ec531dcb07ee8b  /usr/bin/look
> #>cat /etc/redhat-release 
> CentOS release 4.3 (Final)
> #>uname -a
> Linux blahblah.com 2.6.8-022stab078.9-entnosplit #1 SMP Thu Jun 8 12:46:44
MSD 2006 i686 athlon i386 GNU/Linux
Virtuozzo VPS ?
> Can anybody confirm these results?  Any suggestions for a fix?
I can.

util-linux-2.12a-16.EL4.16

Some other interesting (d)effects:

#> look AngloCatholicism
Anglo-Catholicism

(Note: Both Anglo-Catholicism and AngloCatholicism are on the words file)

And now, for something entirely new:

#> look manager /usr/share/dict/words 
manager
manager's
managerdom
manageress
managerial
managerially
managers
managership
managery

Which leads me to the conclusion that is has nothing to do with the words
file, and it a but of the look utility itself.

Running strace, you can see that, in both cases, the exact same file is
opened:

#> strace look manager /usr/share/dict/words
(...)
open("/usr/share/dict/words", O_RDONLY|O_LARGEFILE) = 3
(...)

#> strace look manager
(...)
open("/usr/share/dict/words", O_RDONLY|O_LARGEFILE) = 3
(...)

Go figure.

[]s

- -- 
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)
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