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Top Forums UNIX for Dummies Questions & Answers Removing duplicates based on key Post 302547476 by pandeesh on Tuesday 16th of August 2011 01:48:13 AM
Old 08-16-2011
Thanks for your replies.

At the same time, i would like to keep the records which have more than one entry for the first field in a separate fiel before removing duplictaes. how to achieve this?
Th file should contains:

Code:
12345|12|34
12345|13|23
12345|10|14
3456|12|90
3456|12|90

thanks

---------- Post updated at 09:44 AM ---------- Previous update was at 08:51 AM ----------

I guess,

sort filename | uiniq -u will give the entries which are only unique and

sort filename | uniq -d will give only the duplictaes,

correct me, if i am wrong.

thanks

But i want to find the duplicates particularly in the first field.
How we can modify these commands according to that>?
Code:
 
sort filename | uniq -u
sort filename | uniq -d

---------- Post updated at 11:18 AM ---------- Previous update was at 09:44 AM ----------

For the below input:

Code:
12345|12|34
12345|13|23
3456|12|90
15670|12|13
12345|10|14
3456|12|13

I need the below result in one fileSmilieonly unique records)
Code:
  
15670|12|13

In another file, i need below data:

Code:
12345|12|34
12345|13|23
12345|10|14
3456|12|90
3456|12|13

Please help me,. thanks

Last edited by pandeesh; 08-16-2011 at 02:35 AM..
 

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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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