// Reads the contents of a file and returns it as a string array.
public string[] LoadStringArray(string fileName)
{
string[] strArray = new string[] {};
try
{
strArray = System.IO.File.ReadAllLines(fileName);
}
catch (System.IO.IOException)
{
screen.Print($"File '{fileName}' does not exist. Try entering a different file name.");
}
return(strArray);
}
static void Main(string[] args)
{
// Define Input & Output objects
FileReader InputFile = new FileReader();
FileWriter OutputFile = new FileWriter("sorted-names-list.txt");
ScreenPrinter screen = new ScreenPrinter();
// Define PersonName Objects and List.
NameSorter nameSorter = new NameSorter();
PersonNameConverter personNameConverter = new PersonNameConverter();
List <PersonName> personNameList = new List <PersonName>();
// only execute the program if an input file was specified.
if (args.Length > 0)
{
// load the list of raw unsorted names to a string array.
string[] rawNames = InputFile.LoadStringArray(args[0]);
// convert the string array to a list of PersonNames
personNameList = personNameConverter.StringArrayToPersonNameList(rawNames);
// Perform the sort operation.
personNameList = nameSorter.SortByLastNameThenFirstName(personNameList);
// convert the PersonName list back to a raw string array
rawNames = personNameConverter.PersonNameListToStringArray(personNameList);
// print the list of names to the screen
screen.PrintArray(rawNames);
// the sorted name list can now be saved to file
OutputFile.PrintArray(rawNames);
}
else
{
screen.Print("Please specify a file to sort.");
}
}