sar -n DEV -f sa17|perl -a -ne'

    BEGIN {
        $mydate="2008-02-17";
        $lastdate=99;
    }

    {
        $process=0;
        if ( substr($F[2],0,3) eq "eth" ) {
            $process=1;
        }
        if ( substr($F[2],0,3) eq "bon" ) {
            $process=1;
        }
        if ( $F[2] eq "eth0" ) {
            $process=1;
        }
        if ( ! ( $F[1] eq "AM" || $F[1] eq "PM" ) ) {
            $process=0;
        }
        if ( $F[2] eq "IFACE" ) {
            $process=0;
        }
        if ( $process == 0 ) {
            next;
        }
        $currentdate=$F[0];
        if ( $lastdate != $currentdate && $lastdate != 99 ) 
        {
            print "$datehradj:$datemmadj:$datessadj $myeth0 $myeth1\n";
            $mybond0=0;
            $myeth0=0;
        }
        if ( $F[2] eq "eth0" )  {
            $myeth0=$F[5];
        }
        if ( $F[2] eq "eth0" ) {
            $myeth1=$F[6];
        }
        $filetime=$F[0];
        $filehour=substr($filetime,0,2);
        $fileminute=substr($filetime,3,2);
        $filesecond=substr($filetime,6,2);
        if ( $F[1] eq "AM" && $filehour == 12 ) {
            $filehour="00";
        }
        if ( $F[1] eq "PM" && $filehour < 12 ) {
            $filehour=$filehour+12;
        }
        $filedaysecs=(($filehour*60*60)+($fileminute*60));
        $dateadj=(int(( $filedaysecs + 300 ) / 600) * 600);
        $datehradj=int(((int(( $filedaysecs + 300 ) / 600) * 600)) / 3600 );
        $datemmadj=int((((int(( $filedaysecs + 300 ) / 600) * 600)) % 3600 ) / 60 );
        if ( $datehradj == 0 ) {
            $datehradj="00";
        }
        if ( length($datehradj) == 1 ) {
            $datehradj="0$datehradj";
        }
        if ( $datemmadj == 0 ) {
            $datemmadj="00";
        }
        $datessadj="00";
     
        $lastdate=$F[0];
    }

    END {
        print "$datehradj:$datemmadj:$datessadj $myeth0 $myeth1\n";
    }'  >> sarnetwork