# 範例是以字母長度來判斷, 長度一樣的爲一組
# Output:
# Count Name                      Group                                          
# ----- ----                      -----                                          
#     4 5                         {Aaron, Danny, Ernie, Frank}                   
#     2 6                         {Albert, Bernie}                               
#     1 8                         {Alphonse}                                     
#     1 7                         {Charlie}

$names = @( "Aaron", "Albert", "Alphonse", "Bernie", "Charlie", "Danny", "Ernie", "Frank")

$names | Group-Object -Property Length