fastafile = validParameter.validFile(parameters, "fasta", true);
if (fastafile == "not found") { cout << "fasta is a required parameter for the screen.seqs command." << endl; abort = true; }
else if (fastafile == "not open") { abort = true; }
fastafile = validParameter.validFile(parameters, "fasta", true);
if (fastafile == "not found") { cout << "fasta is a required parameter for the screen.seqs command." << endl; abort = true; }
else if (fastafile == "not open") { abort = true; }