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Full Discussion: Finding total distinct count from multiple csv files through UNIX script
Top Forums Shell Programming and Scripting Finding total distinct count from multiple csv files through UNIX script Post 303002582 by STCET22 on Monday 28th of August 2017 07:00:57 AM
Old 08-28-2017
Hi Don ,
PFB the sample input files in a directory.
Code:
[omnidevint@sftp311 full_01jan13_31aug15]$ ls -ltr
total 800068
-rw-rw-r--. 1 omnidevint omnidevint  97184275 Aug 25 15:38 Final_Customer_Data_2013_2015_0.csv
-rw-rw-r--. 1 omnidevint omnidevint  88463636 Aug 25 15:38 Final_Customer_Data_2013_2015_1.csv
-rw-rw-r--. 1 omnidevint omnidevint  89536908 Aug 25 15:38 Final_Customer_Data_2013_2015_2.csv
-rw-rw-r--. 1 omnidevint omnidevint 107937776 Aug 25 15:38 Final_Customer_Data_2013_2015_3.csv
-rw-rw-r--. 1 omnidevint omnidevint 161423700 Aug 25 15:38 Final_Customer_Data_2013_2015_4.csv
-rw-rw-r--. 1 omnidevint omnidevint 129165088 Aug 25 15:38 Final_Customer_Data_2013_2015_5.csv
-rw-rw-r--. 1 omnidevint omnidevint 117823518 Aug 25 15:38 Final_Customer_Data_2013_2015_6.csv
-rw-rw-r--. 1 omnidevint omnidevint  27721536 Aug 25 15:38 Final_Customer_Data_2013_2015_7.csv

The contents of each files like below where the field 38 contains customer_id.
Code:
 head -3 Final_Customer_Data_2013_2015_0.csv
first_name|last_name|email_address|brand|store_no|sales_associate_no|create_date|create_source|address_type_code|address_1|address_2|address_3|address_4|address_5|post_code|telephone_no|country_code|gvisa_flag|marital_status|gender|title|mobile_no|phone_opt_in_flag|mail_opt_in_flag|email_type|opt_in_flag|transaction_id|bm_customer_id|address_Active_Flag|mail_opt_in_date|phone_opt_in_date|date_last_modified|membership_date|head_of_household_flag|email_opt_in_date|points_current_balance|rewards_id|customer_id
Paula|Frediani|plfrediani@comcast.net|GYM|8888|9999|07/22/1999|STORE|BILLING|1906 Miller Ave||Belmont|CA||94002 1765|6506545255|US||U|U||6506545255|0|1|Rewards Signup||||1|02/17/2007||11/12/2016|06/18/2010|1||133|144RG2JS7F31735|58
Valerie|Burkart|valzb@sbcglobal.net|GYM|8888|9999|08/05/1999|STORE|BILLING|UNKNOWN||PLEASANTON|CA||94566|9254850902|US||U|U||9254850902|0|1|Rewards Signup|||2253998879592428|1|02/17/2007||03/18/2012|03/17/2012|1||239|1AS4V98V8G31735|255

And we are working in linux operating system and in bash shell.
Code:
Linux sftp311 3.10.0-327.el7.x86_64 #1 SMP Thu Oct 29 17:29:29 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux

And we need the distinct customer_id count from all the csv files in the directory.Based on these info ,if you provide me any script ,that will be helpful.Thanks in advance.
 

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LEARN ABOUT CENTOS

processcsv.py

PROCESSCSV.PY(1)					      Virtualization Support						  PROCESSCSV.PY(1)

NAME

       processcsv.py - process virt-top CSV files

SUMMARY

	virt-top --csv data.csv
	processcsv.py < data.csv

DESCRIPTION

       virt-top is a top(1)-like utility for showing stats of virtualized domains.

       processcsv.py is a simple Python script that post-processes the output of "virt-top --csv".

       It is used like this:

	virt-top --csv data.csv
	processcsv.py < data.csv

       The second command will overwrite the following files in the current directory:

       "global.csv"
	   This contains the global (host) statistics columns from the CSV file.

       "domainNN.csv" (multiple files)
	   For each libvirt domain ID NN, a file is created containing the per-domain statistics from the CSV file.

SEE ALSO

       virt-top(1)

AUTHORS

       Richard W.M. Jones <rjones @ redhat . com>

COPYRIGHT

       (C) Copyright 2007-2012 Red Hat Inc., Richard W.M. Jones http://libvirt.org/

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

virt-top-1.0.8							    2013-12-29							  PROCESSCSV.PY(1)
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