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Full Discussion: Concatenate column values when header is Matching from multiple files
Top Forums UNIX for Beginners Questions & Answers Concatenate column values when header is Matching from multiple files Post 302982104 by Nina2910 on Friday 23rd of September 2016 11:26:12 PM
Old 09-24-2016
Concatenate column values when header is Matching from multiple files
there can be n number of columns but the number of columns and header name will remain same in all 3 files. Files are tab Delimited.
a.txt

Code:
Name 9/1 9/2
X 1 7
y 2 8
z 3 9
a 4 10
b 5 11
c 6 12

b.xt
Code:
Name  9/1 9/2
X 13 19
y 14 20
z 15 21
a 16 22
b 17 23
c 18 24

c.txt
Code:
Name  9/1 9/2
X 25 31
y 26 32
z 27 33
a 28 34
b 29 35
c 30 36

required output

Code:
Name  9/1 9/2
X 1/13/25 7/19/31
y 2/14/26 8/20/32
z 3/15/27 9/21/33
a 4/16/28 10/22/34
b 5/17/29 11/23/35
c 6/16/30 12/24/36

I Want to merge all three file on the basis of matching header and if values are same in the row then print one value and if different then concatenate values from all three files under that column. like in file a.txt,b.txt,c.txt, row 2 has same value under column name "NAME" so print only X but column "9/1" has different values so print one header " 9/1" and under it print all values from three files e.g. 1/13/25.

Code:
join <(sort a.txt) <(sort b.txt) <(sort c.txt) >out.txt

Code:
 awk 'FNR==NR{a[$1]=$2;next} ($1 in a){ print $0, a[$1]}' a.txt b.txt c.txt

the above commands are not concatenating the values of same headers but it is printing all the rows from file a then all rows from file b then c
Last edited by Nina2910; 09-24-2016 at 12:35 AM..
 

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LEARN ABOUT OSX

locale::codes::langvar

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

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('en','alpha-2');
	  $lvar = code2langvar('en',LOCALE_CODE_ALPHA_2);

       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) 2011-2012 Sullivan Beck

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

perl v5.16.2							    2012-10-11					       Locale::Codes::LangVar(3pm)
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