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Full Discussion: Append data by looking up 2 tables for multiple files
Top Forums Shell Programming and Scripting Append data by looking up 2 tables for multiple files Post 302938220 by ritakadm on Friday 13th of March 2015 09:17:33 AM
Old 03-13-2015
Append data by looking up 2 tables for multiple files
I want to lookup values from two different tables based on common columns and append. The trick is the column to be looked up is not fixed and varies , so it has to be detected from the header. How can I achieve this at once, for multiple data files, but lookup tables fixed.

The two lookup tables are ftable and ttable. For ftable I want cols 2 and 3 by matching 1.

For ttable, I want just col 2 based on col1.



ftable
Code:
fin,evalue,count2
abc,e1,7
xyz,e7,2


ttable
Code:
tin,count
ghi,11
fgr,22


in the input files , we must detect the column with header rid , that matches with ftable and the column header tid which matches with ttable


1st file from Loc B
Code:
mid,rid,tid,xid
1,abc,23,ghi,d
2,abc,,fgr,t

2nd File from expA
Code:
fid,mid,rid,tid,xid
001,1,abc,23,ghi,d
002,2,xyz,,ghi,t
003,3,xyz,1,fgr,34

Desired outputs
1st file from Loc B
Code:
mid,rid,tid,xid,evalue,count2,count
1,abc,23,ghi,d,e1,7,11
2,abc,,fgr,t,e1,7,22


2nd File from expA

Code:
fid,mid,rid,tid,xid,evalue,count2,count
001,1,abc,23,ghi,d,e1,7,11
002,2,xyz,,ghi,t,e7,2,11
003,3,xyz,1,fgr,34,e7,2,22

My try only for the 1st lookup
Code:
awk -F"," 'NR==FNR{f[$1]=$2","$3;next} NR==1 { (for i=1;i<=NF;i++) { if (i=="rid" ) { ftab=i } } print $0",evalue,count2" } NR!=1 && $ftab in f {print $0","f[$ftab]}' ftable  "1st file from Loc B"

 

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LEARN ABOUT OSX

locale::codes::langfam

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

NAME

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

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. 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 = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_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.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

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::LangFam(3pm)
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