[lug] grep question

[Ed Hill]

On Tue, 12 Jun 2007 07:45:16 -0600 (MDT) Chip Atkinson wrote:

> Ok, here's something to chew on:
> 
> chip at chip1:~> echo $LANG
> en_US.UTF-8
> chip at chip1:~> echo abc | grep A
> chip at chip1:~> echo abc | grep a
> abc
> chip at chip1:~> echo abc | grep "[A-Z]"
> abc
> chip at chip1:~> export LANG=C
> chip at chip1:~> echo abc | grep "[A-Z]"
> chip at chip1:~> 
> 
> The distribution is SuSE enterprise linux.  It seems that the LANG
> stuff only affects an expression in set of mini-experiments.  
> 
> Another thing that is odd is that there are many programs in /usr/bin
> with symlinks to their counterpart in /bin.  However, /usr/bin isn't
> a symlink to /bin.  I guess SuSE is "non-standard", but I thought it
> was a Red Hat derivative.


Yes, the above looks wrong.  I get:

  [daggett ~]: cat /etc/redhat-release
  Fedora Core release 6 (Zod)
  [daggett ~]: echo $LANG
  C
  [daggett ~]: echo abc | grep "[A-Z]"
  [daggett ~]: export LANG="en_US.UTF-8"
  [daggett ~]: echo abc | grep "[A-Z]"
  [daggett ~]: echo $LANG
  en_US.UTF-8

so perhaps you should file a bug in the SLES bugzilla.

Ed

-- 
Edward H. Hill III, PhD  |  ed at eh3.com  |  http://eh3.com/
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