private IQueryable <LibraryItem> GetTitleAndTitleAcronym(IQueryable <LibraryItem> libraryItems)
{
string Convert(IEnumerable <char> s) => new string(s.ToArray());
foreach (LibraryItem Titles in libraryItems)
{
string AcronymedTitel = Convert(Titles.Title.Where((c, i) => !char.IsWhiteSpace(c) && (i == 0 || char.IsWhiteSpace(Titles.Title[i - 1]))));
Titles.SetAcronymedTitle(Titles.Title, AcronymedTitel.ToUpper());
}
return(libraryItems);
}