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Full Discussion: Change Data base on Column
Top Forums Shell Programming and Scripting Change Data base on Column Post 302931401 by RavinderSingh13 on Monday 12th of January 2015 11:52:20 PM
Old 01-13-2015
Quote:
Originally Posted by disedorgue
Hi,
A awk solution:
Code:
$ cat finput.data 
DD142 0_1 DD142_A DD142_B A B
DD142 1_1 DD142_B DD142_C B C
DD142 2_1 DD142_A DD142_C A C
DD142 3_1 DD142_A  A 
DD142 3_2 DD142_A  A 
DD142 4_1 DD142_B  B 
DD142 4_2 DD142_B  B 
DD142 5_1 DD142_C  C 
DD142 5_2 DD142_C  C 
DD709 0_1 DD709_A DD709_B A B
DD709 1_1 DD709_B DD709_C B C
DD709 2_1 DD709_A DD709_C A C
$ awk '$(NF-1) == "A" && $NF == "C" {$3=$4}NF=3' finput.data 
DD142 0_1 DD142_A
DD142 1_1 DD142_B
DD142 2_1 DD142_C
DD142 3_1 DD142_A
DD142 3_2 DD142_A
DD142 4_1 DD142_B
DD142 4_2 DD142_B
DD142 5_1 DD142_C
DD142 5_2 DD142_C
DD709 0_1 DD709_A
DD709 1_1 DD709_B
DD709 2_1 DD709_C

Regards.
Hello disedorgue,

If Number of fields are less than 6 and last 2 columns have values A and C so above solution will work then
also(which I guess pareshkp doesn't want seems user want to exchange only DD values) so adding a minor condition to it.
Code:
awk '($(NF-1)=="A" && $NF=="C" && NF==6){$3=$4} NF=3' Input_file

Output will be as follows.
Code:
DD142 0_1 DD142_A
DD142 1_1 DD142_B
DD142 2_1 DD142_C
DD142 3_1 DD142_A
DD142 3_2 DD142_A
DD142 4_1 DD142_B
DD142 4_2 DD142_B
DD142 5_1 DD142_C
DD142 5_2 DD142_C
DD709 0_1 DD709_A
DD709 1_1 DD709_B
DD709 2_1 DD709_C

Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
pareshkp
 

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LEARN ABOUT CENTOS

locale::codes::langvar

Locale::Codes::LangVar(3)				User Contributed Perl Documentation				 Locale::Codes::LangVar(3)

NAME

       Locale::Codes::LangVar - standard codes for language variation identification

SYNOPSIS

	  use Locale::Codes::LangVar;

	  $lvar = code2langvar('acm');		       # $lvar gets 'Mesopotamian Arabic'
	  $code = langvar2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langvar_codes();
	  @names   = all_langvar_names();

DESCRIPTION

       The "Locale::Codes::LangVar" module provides access to standard codes used for identifying language variations, 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 variations. 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:

	  $lvar = code2langvar('arevela','alpha');
	  $lvar = code2langvar('arevela',LOCALE_LANGVAR_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of alphanumeric codes from the IANA language registry, such as 'arevela' for Eastern Armenian.

	   This code set is identified with the symbol "LOCALE_LANGVAR_ALPHA".

	   This is the default code set.

ROUTINES

       code2langvar ( CODE [,CODESET] )
       langvar2code ( NAME [,CODESET] )
       langvar_code2code ( CODE ,CODESET ,CODESET2 )
       all_langvar_codes ( [CODESET] )
       all_langvar_names ( [CODESET] )
       Locale::Codes::LangVar::rename_langvar  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangVar::add_langvar  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangVar::delete_langvar  ( CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangVar::delete_langvar_alias  ( NAME )
       Locale::Codes::LangVar::rename_langvar_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::delete_langvar_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 v5.16.3							    2013-04-12						 Locale::Codes::LangVar(3)
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