how to merge two folders by batch cmd

问题:

i have this folders and i want to merge in one folder

 - C:\1\a
 - C:\1\b
 - C:\1\c

how to merge this folders to

c:\1

and delete the original by using batch

回答1:

robocopy /mt /move "C:\1\a" "C:\1" *
robocopy /mt /move "C:\1\b" "C:\1" *
robocopy /mt /move "C:\1\c" "C:\1" *
rd /s /q "C:\1\a"
rd /s /q "C:\1\b"
rd /s /q "C:\1\c"

Help: rd /?, robocopy /?, xcopy /?