open my $fh, "ps -ef | grep Jones |" or die;
while (<$fh>) {
    my @F = split;
    next if $F [7] =~ /perl/   ||
            $F [7] =~ /ps -ef/ ||
            $F [7] =~ m{/bin/ksh};
    print "@F[0,1,3,4,7]\n";
}