Sorting a CSV file by DOB Post: 302758101

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Top Forums Shell Programming and Scripting Sorting a CSV file by DOB Post 302758101 by redshine6 on Friday 18th of January 2013 12:26:20 PM

01-18-2013

Registered User

Sorting a CSV file by DOB

I have absolutaly no idea how to get this script to sort the info in Birthdays.csv by date of birth. I know the sort -n command, however i wish to sort the file birthdays.csv by DOB. How would i go about doing this?

The below script gets user info and date of birth and then puts these info a file called “birthday.csv”.
I then need to Sort “birthdays.csv” by date of birth and then display this newly sorted information. I also calculate how old each person is by today's date. The problem i have is sorting the info in birthdays.csv by date of birth. Can someone let me know how i would do this sort?

The script is below:

Code:

#!/bin/bash

a=0
while [ $a -lt 2 ];
do
        echo Please enter a first name
        read firstName
        echo Please enter last name
        read lastName
        echo Please enter phone number
        read phoneNumber
        echo Please enter date of birth - format dd/mm/yyyy
        read dob
        echo "$firstName,$lastName,$phoneNumber,$dob" >> birthday.csv
        echo If you would like to add another person press 1 or enter 2 to proceed
        read a
done

        INPUT=./birthday.csv
        OLDIFS=$IFS
        IFS=","
        [ -f ${INPUT} ] && while read Name Surname Telephone DOB
        do
                        birthMonth=${DOB:0:2}
                        birthDay=${DOB:3:2}
                        birthYear=${DOB:6:4}

                        currentDate=`date +%d/%m/%Y`

                        currentMonth=${currentDate:0:2}
                        currentDay=${currentDate:3:2}
                        currentYear=${currentDate:6:4}

                        if [[ "$currentMonth" -lt "$birthMonth" ]] || [[ "$currentMonth" -eq "$birthMonth" && "$currentDay" -lt "$$birthDay" ]]
                        then
                                let Age=currentYear-birthYear-1
                        else
                                let Age=currentYear-birthYear
                        fi

                echo "---------------------------"
                echo "Name : $Name"
                echo "Surname : $Surname"
                echo "Telephone : $Telephone"
                echo "DOB : $DOB"
                echo "Age : $Age"
                echo "---------------------------"
done < $INPUT
IFS=$OLDIFS
        echo $DATE

exit 0;

Thank you in advance, all help is most appreciated.

redshine6

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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)