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Full Discussion: Removing duplicates in a sorted file by field.
Top Forums Shell Programming and Scripting Removing duplicates in a sorted file by field. Post 302190380 by kinksville on Tuesday 29th of April 2008 12:22:05 PM
Old 04-29-2008
Tools Removing duplicates in a sorted file by field.
I have data like this:
It's sorted by the 2nd field (TID).
envoy,90000000000000634600010001,04/11/2008,23:19:27,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/12/2008,04:23:45,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/12/2008,23:14:25,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,04:23:39,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,22:41:58,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,22:42:44,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,22:49:43,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,22:50:45,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/13/2008,22:53:23,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/14/2008,12:38:40,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000634600010001,04/14/2008,12:52:22,RB00266,0015,DETAIL,ERROR,
envoy,90000000000000693200010001,04/17/2008,09:07:09,RB00060,0009,ENVOY,ERROR,26
envoy,90000000000000693200010001,04/18/2008,10:27:13,RB00083,0009,ENVOY,ERROR,26
envoy,90000000000000693200010001,04/18/2008,11:36:27,RB00084,0009,ENVOY,ERROR,26
envoy,90000000000001034800010001,04/01/2008,23:59:15,RB00294,0030,ENVOY,ERROR,57
envoy,90000000000001034800010001,04/02/2008,23:59:12,RB00295,0030,ENVOY,ERROR,57
envoy,90000000000001034800010001,04/03/2008,23:59:11,RB00296,0030,ENVOY,ERROR,57
envoy,90000000000001034800010001,04/04/2008,23:59:08,RB00297,0030,ENVOY,ERROR,57
envoy,90000000000001034800010001,04/05/2008,23:59:04,RB00297,0030,ENVOY,ERROR,57
envoy,90000000000001034800010001,04/06/2008,22:59:06,RB00297,0030,ENVOY,ERROR,57

I want to do the following:
Check the second field to see if the TID is the same as the previous line. If the TID has been seen before then check the 7th field to see if that is the same as the previous line. If both are the same, I want to remove the line and increment a counter.

My ideal output would look something like this.
11,envoy,90000000000000634600010001,04/11/2008,23:19:27,RB00266,0015,DETAIL,ERROR,
3,envoy,90000000000000693200010001,04/17/2008,09:07:09,RB00060,0009,ENVOY,ERROR,26

etc.

I figure I actually need to do an awk script rather than a 1 liner. The other option is for the last 3 fields to be one field and compare by the TID field and the error field, then split them into 3 on the output.

Any thoughts? I've looked at other stuff removing dups with awk and it's mostly one liners.

I'd love to ask get some explanation of WHY it works so that I can mod it if need be.
 

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LEARN ABOUT PHP

msgfmt_get_error_code

MSGFMT_GET_ERROR_CODE(3)						 1						  MSGFMT_GET_ERROR_CODE(3)

MessageFormatter::getErrorCode - Get the error code from last operation

	Object oriented style

SYNOPSIS

       public int MessageFormatter::getErrorCode (void	)

DESCRIPTION

	Procedural style
       int msgfmt_get_error_code (MessageFormatter  $fmt)

	Get the error code from last operation.

PARAMETERS

	      o $fmt
		- The message formatter

RETURN VALUES

	The error code, one of UErrorCode values. Initial value is U_ZERO_ERROR.

EXAMPLES

       Example #1

	      msgfmt_get_error_code(3) example

	      <?php
	      $fmt = msgfmt_create("en_US", "{0, number} monkeys on {1, number} trees");
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	      if(!$str) {
		  echo "ERROR: ".msgfmt_get_error_message($fmt) . " (" . msgfmt_get_error_code($fmt) . ")
";
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       Example #2

	      OO example

	      <?php
	      $fmt = new MessageFormatter("en_US", "{0, number} monkeys on {1, number} trees");
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       The above example will output:

       ERROR: msgfmt_format: not enough parameters: U_ILLEGAL_ARGUMENT_ERROR (1)

SEE ALSO

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PHP Documentation Group 												  MSGFMT_GET_ERROR_CODE(3)
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