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Full Discussion: Why is sort not working properly here ?
Top Forums Shell Programming and Scripting Why is sort not working properly here ? Post 302778519 by kraljic on Monday 11th of March 2013 06:35:43 AM
Old 03-11-2013
Why is sort not working properly here ?
Platform: RHEL 5.4
In the below text file I have strings like following.

Code:
$ cat /tmp/mytextfile.txt
DISK1
DISK10
DISK101
DISK102
DISK103
DISK104
DISK105
DISK106
DISK107
DISK108
DISK109
DISK110
DISK111
DISK112
DISK113
DISK114
DISK115
.
.
.
<output snipped for better readability>
.
.
DISK459
DISK46
DISK460
DISK461
DISK462
DISK47
DISK48
DISK49
DISK5
DISK50
DISK51
DISK52
DISK53
DISK54
DISK55
DISK56
DISK57
DISK58
DISK6
DISK7
DISK8
DISK9

I wanted to sort the output based on the number after the 'DISK' string. My expected output :
Code:
 
DISK1
DISK2
DISK3
DISK4
DISK5

But when I use sort, the output looks like below


Code:
 
$ sort /tmp/mytextfile.txt
DISK1
DISK10
DISK101
DISK102
DISK103
DISK104
DISK105
DISK106
DISK107
DISK108
DISK109
DISK110
.
.
.
<output snipped for better readability>

# Trying with -n option. But , still the same output as above.
Code:
 
$ sort -n /tmp/mytextfile.txt
DISK1
DISK10
DISK101
DISK102
DISK103
DISK104
DISK105
DISK106
DISK107
DISK108
DISK109
DISK110

How can I get the expected output using sort or any other utility ?
 

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LEARN ABOUT MOJAVE

locale::codes::langext5.18

Locale::Codes::LangExt(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangExt(3pm)

NAME

       Locale::Codes::LangExt - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangExt;

	  $lext = code2langext('acm');		       # $lext gets 'Mesopotamian Arabic'
	  $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langext_codes();
	  @names   = all_langext_names();

DESCRIPTION

       The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in
       the IANA language registry.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language
       registry codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or
       a constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langext('acm','alpha');
	  $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic.

	   This is the default code set.

ROUTINES

       code2langext ( CODE [,CODESET] )
       langext2code ( NAME [,CODESET] )
       langext_code2code ( CODE ,CODESET ,CODESET2 )
       all_langext_codes ( [CODESET] )
       all_langext_names ( [CODESET] )
       Locale::Codes::LangExt::rename_langext  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangExt::add_langext  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangExt::delete_langext  ( CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangExt::delete_langext_alias  ( NAME )
       Locale::Codes::LangExt::rename_langext_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::add_langext_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangExt::delete_langext_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.iana.org/assignments/language-subtag-registry
	   The IANA language subtag registry.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2013 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.18.2							    2013-11-04					       Locale::Codes::LangExt(3pm)
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