// wordsize used in megablast. I'm sure we're sacrificing accuracy for speed, but anyother way would take way too
// long. With this setting, it seems comparable in speed to the suffix tree approach.
//7000004128189528left 0 100 66 0 0 1 66 61 126 1e-31 131
+
string blastCommand = path + "blast/bin/megablast -e 1e-10 -d " + dbFileName + " -m 8 -b " + toString(n) + " -v " + toString(n); //-W 28 -p blastn
blastCommand += (" -i " + (queryFileName+seq->getName()) + " -o " + blastFileName+seq->getName());
system(blastCommand.c_str());