RE: sort

[sudhakara.maddukuri]

Thank you for your help Bob:):)



/BR

M. Sudhakara Rao

-----Original Message-----
From: Bob Proulx [mailto:bob@proulx.com]
Sent: Monday, August 04, 2014 9:29 PM
To: Maddukuri, Sudhakara
Cc: help-gnu-utils@gnu.org
Subject: Re: sort



sudhakara.maddukuri@consult.nordea.com<mailto:sudhakara.maddukuri@consult.nordea.com>
 wrote:

> Sort -A [Filename] is not working.



GNU sort does not have a -A option.



  $ sort -A

  sort: invalid option -- 'A'

  Try `sort --help' for more information.



Are you sure you are using GNU sort?  I suspect you are using a different sort. 
 Probably a vendor sort.  Ask it for the version.



  $ sort --version

  sort (GNU coreutils) 8.13



> How to handle Sorts on a byte-by-byte basis using ASCII collation

> order instead of collation in the current locale using sort command

> Please help me



Set the LC_ALL=C variable for sort.  Or at least LC_COLLATE=C.  If you are 
using a /bin/sh or derivative then you can do this on the command line for sort 
by placing the variable setting before the command.



  LC_ALL=C sort



If you are using one of the csh derived shells then you can use the "env" 
program as a helper.  Some people document env only since it will always work 
correctly regardless of shell or function or aliases.



  env LC_ALL=C sort



In my ~/.profile I set the following.  It sets the LANG to UTF-8 so that I get 
unicode characters but overrides the collation sequence to be C so that I 
always get byte comparisons for a traditional Unix sort order.  This works for 
en_US.UTF-8 and for most other western languages.  But I have no idea how it 
would interact with chinese big5 for example.  It may be a good compromise for 
you as well.



  export LANG=en_US.UTF-8

  export LC_COLLATE=C



There is an FAQ with more information here:



  
https://www.gnu.org/software/coreutils/faq/coreutils-faq.html#Sort-does-not-sort-in-normal-order_0021



> Note: Its working in IBM AIX



It is likely that your AIX locale is already set to C (or POSIX, an alias for 
C).



Bob