+ else if(commandName == "otu.association") { pipecommand = new OTUAssociationCommand(optionString); }
+ else if(commandName == "sort.seqs") { pipecommand = new SortSeqsCommand(optionString); }
+ else if(commandName == "classify.tree") { pipecommand = new ClassifyTreeCommand(optionString); }
+ else if(commandName == "cooccurrence") { pipecommand = new CooccurrenceCommand(optionString); }
+ else if(commandName == "pcr.seqs") { pipecommand = new PcrSeqsCommand(optionString); }
+ else if(commandName == "create.database") { pipecommand = new CreateDatabaseCommand(optionString); }