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Full Discussion: How can awk ignore the field delimiter like comma inside a field?
Top Forums Shell Programming and Scripting How can awk ignore the field delimiter like comma inside a field? Post 302986685 by gopal.biswal on Tuesday 29th of November 2016 02:13:56 AM
Old 11-29-2016
How can awk ignore the field delimiter like comma inside a field?
We have a csv file as mentioned below and the requirement is to change the date format in file as mentioned below.

Current file (file.csv)
----------------------
Code:
 empname,date_of_join,dept,date_of_resignation
ram,08/09/2015,sales,21/06/2016
"akash,sahu",08/10/2015,IT,21/07/2016

Required output file
----------------------
Code:
 empname,date_of_join,dept,date_of_resignation
ram,2015-09-08,sales,2016-06-21
"akash,sahu",2015-10-08,IT,2016-07-21

We are using below script for this. This script works fine for first record, but it does not give correct output for second record. Please see the actual output and script below-

Awk Script (This is .ksh file)
-------------------------------

Code:
 #!/bin/ksh
awk 'BEGIN{ FS=OFS="," 
            nf=split("2,4", f)                           # array of input field numbers
            nd=split(",7,4,-,4,2,-,1,2", d)        # array of date subfield info (in output order): prefix(out),pos(in),len(in)         
     }
     { for(i=1; i<=nf; i++){ 
           if($f[i]) {
               fmod=""
               for(j=1; j<=nd; j+=3) fmod=fmod sprintf("%s", d[j] substr($f[i], d[j+1], d[j+2]))
               $f[i] = fmod
           }
       } print
     }' file.csv

Actual Output which is not correct
--------------------------------------
Code:
 ram,2015-09-08,sales,2016-06-21
"akash,-u"-sa,08/10/2015,--IT,21/07/2016

Please suggest me, how Awk can handle the second record which contain comma inside a field?
Last edited by Don Cragun; 11-29-2016 at 03:42 AM.. Reason: Add CODE and ICODE tags, again.
 

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LEARN ABOUT MOJAVE

locale::script

Locale::Script(3pm)					 Perl Programmers Reference Guide				       Locale::Script(3pm)

NAME

       Locale::Script - standard codes for script identification

SYNOPSIS

	  use Locale::Script;

	  $script  = code2script('phnx');		      # 'Phoenician'
	  $code    = script2code('Phoenician'); 	      # 'Phnx'
	  $code    = script2code('Phoenician',
				 LOCALE_CODE_NUMERIC);	      # 115

	  @codes   = all_script_codes();
	  @scripts = all_script_names();

DESCRIPTION

       The "Locale::Script" module provides access to standards codes used for identifying scripts, such as those defined in ISO 15924.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 15924
       four-letter codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying scripts. 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:

	  $script = code2script('phnx','alpha');
	  $script = code2script('phnx',LOCALE_SCRIPT_ALPHA);

       The codesets currently supported are:

       alpha, LOCALE_SCRIPT_ALPHA
	   This is a set of four-letter (capitalized) codes from ISO 15924 such as 'Phnx' for Phoenician.  It also includes additions to this set
	   included in the IANA language registry.

	   The Zxxx, Zyyy, and Zzzz codes are not used.

	   This is the default code set.

       num, LOCALE_SCRIPT_NUMERIC
	   This is a set of three-digit numeric codes from ISO 15924 such as 115 for Phoenician.

ROUTINES

       code2script ( CODE [,CODESET] )
       script2code ( NAME [,CODESET] )
       script_code2code ( CODE ,CODESET ,CODESET2 )
       all_script_codes ( [CODESET] )
       all_script_names ( [CODESET] )
       Locale::Script::rename_script  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Script::add_script  ( CODE ,NAME [,CODESET] )
       Locale::Script::delete_script  ( CODE [,CODESET] )
       Locale::Script::add_script_alias  ( NAME ,NEW_NAME )
       Locale::Script::delete_script_alias  ( NAME )
       Locale::Script::rename_script_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Script::add_script_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Script::delete_script_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.unicode.org/iso15924/
	   Home page for ISO 15924.

       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) 1997-2001 Canon Research Centre Europe (CRE).
	  Copyright (c) 2001-2010 Neil Bowers
	  Copyright (c) 2010-2013 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::Script(3pm)
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