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Full Discussion: While Loop with if else condition
Top Forums Shell Programming and Scripting While Loop with if else condition Post 302808989 by Yoda on Friday 17th of May 2013 09:35:27 PM
Old 05-17-2013
No need to use an external utility grep for checking if the pattern exists in each record.

You can read each field in the CSV by setting the IFS and perform the check:
Code:
{
        echo "To: user@domain.com"
        echo "Subject: Test HTML"
        echo "Content-Type: text/html"
        echo "<html><body>"
        echo "<table border=1 width=100% bgcolor=#DDDDDD>"
        while IFS="," read stu sub res dt tm
        do
                if [ "$res" == "Absent" ] || [ "$res" == "Failed" ]
                then
                        echo "<tr>"
                        echo "<td bgcolor=red>$stu</td>"
                        echo "<td bgcolor=red>$sub</td>"
                        echo "<td bgcolor=red>$res</td>"
                        echo "<td bgcolor=red>$dt</td>"
                        echo "<td bgcolor=red>$tm</td>"
                        echo "</tr>"
                else
                        echo "<tr>"
                        echo "<td>$stu</td>"
                        echo "<td>$sub</td>"
                        echo "<td>$res</td>"
                        echo "<td>$dt</td>"
                        echo "<td>$tm</td>"
                        echo "</tr>"
                fi
        done < file.csv
        echo "</table>"
        echo "</body></html>"
}

This User Gave Thanks to Yoda For This Post:
varmas424
 

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LEARN ABOUT DEBIAN

ifpps

ifpps(8)							netsniff-ng-toolkit							  ifpps(8)

NAME

       ifpps - fetch and format kernel network statistics

SYNOPSIS

       ifpps	 -d|--dev <netdev> [-t|--interval <sec>][-p|--promisc][-c|--term]
	    [-C|--csv][-H|--csv-tablehead][-l|--loop][-v|--version][-h|--help]

DESCRIPTION

       A tiny tool to provide top-like reliable networking statistics.	ifpps reads out the 'real' kernel statistics, so it does not give
       erroneous statistics on high I/O load.

OPTIONS

       ifpps --dev eth0
	   Fetch eth0 interface statistics.

       ifpps --dev eth0 --interval 60 --csv
	   Output eth0 interface statistics every minute in CSV format.

OPTIONS

       -h|--help
	   Print help text and lists all options.

       -v|--version
	   Print version.

       -d|--dev <netdev>
	   Device to fetch statistics for i.e., eth0.

       -p|--promisc
	   Put the device in promiscuous mode

       -t|--interval <time>
	   Refresh time in sec (default 1 sec)

       -c|--term
	   Output to terminal

       -C|--csv
	   Output in CSV format.  E.g. post-processing with Gnuplot et al.

       -H|--csv-tablehead
	   Print CSV table head.

       -l|--loop
	   Loop terminal output.

AUTHOR

       Written by Daniel Borkmann <daniel@netsniff-ng.org>

DOCUMENTATION

       Documentation by Emmanuel Roullit <emmanuel@netsniff-ng.org>

BUGS

       Please report bugs to <bugs@netsniff-ng.org>

								    2012-06-29								  ifpps(8)
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