/// <summary>
/// This method returns a list of file names.
/// </summary>
/// <param name="directoryPath">The path to the Directory containing the files</param>
/// <param name="filterExtensions">This override accepts a list of filters instead of just one so that mutliple types can be found</param>
/// will be returned.</param>
/// <param name="removeExtension">If true, the extension is removed</param>
/// <returns></returns>
public static List <string> GetFiles(string directoryPath, List <string> filterExtensions = null, bool removeExtension = false)
{
// initial value
List <string> files = new List <string>();
// local
string extension = "";
// If the filePath string exists
if ((TextHelper.Exists(directoryPath)) && (Directory.Exists(directoryPath)))
{
// get the fileNames
string[] fileNames = Directory.GetFiles(directoryPath);
// if the fileNames exist
if ((fileNames != null) && (fileNames.Length > 0))
{
// if the value for removeExtension is true
if (removeExtension)
{
// get a tempList
List <string> tempNames = fileNames.ToList();
// Iterate the collection of string objects
foreach (string tempName in fileNames)
{
// get the name without the extension
string name = GetFileNameWithoutExtensionEx(tempName, ref extension);
// If the filterExtension string exists
if (ListHelper.HasOneOrMoreItems(filterExtensions))
{
// Iterate the collection of string objects
foreach (string filterExtension in filterExtensions)
{
// if the extension exists
if (TextHelper.IsEqual(filterExtension, extension))
{
// Add this file
files.Add(name);
}
}
}
else
{
// Add this file
files.Add(name);
}
}
}
// if the filterExtension exists
else if (ListHelper.HasOneOrMoreItems(filterExtensions))
{
// get a tempList
List <string> tempNames = fileNames.ToList();
// Iterate the collection of string objects
foreach (string tempName in fileNames)
{
// The name is not needed here, just getting the extension
GetFileNameWithoutExtensionEx(tempName, ref extension);
// Iterate the collection of string objects
foreach (string filterExtension in filterExtensions)
{
// if the extension exists
if (TextHelper.IsEqual(filterExtension, extension))
{
// Add this file
files.Add(tempName);
}
}
}
}
else
{
// get a tempList
List <string> tempNames = fileNames.ToList();
// Iterate the collection of string objects
foreach (string tempName in fileNames)
{
// Add this file
files.Add(tempName);
}
}
}
}
// return value
return(files);
}