text: 
  
  #include "LCommand.h"
  
  LCommand::LCommand(std::string identifier, BookManager* bookManager){
      this->identifier = identifier;
      this->bookManager = bookManager;
  }
  
  std::string LCommand::toString() {
      std::string lString = "L - Command: List Books";
      return lString;
  }
  
  //loop thru book array and print out titles in alphabetical order
  void LCommand::execute(std::vector<std::string> args) {
      this->bookManager->list();
  
  }
  
  
  std::string LCommand::getName() {
      return this->identifier;
  }
  
  int LCommand::argumentCount() {
      return 0;
  }