Window command line

Batch file which runs under window xp is needed, The commands in it must do the follow: given info: old_name, new_name, dir_path Copy the directory tree in dir_path. Rename any directory in the tree from old_name to new_name: example: replace "d" to "k" any where it is found under c:\a\b\c and its sub directories. So, from: c:\a\b\c\d to: c:\a\b\c\k and from: c:\a\b\c\d\e\d\f\d\... to: c:\a\b\c\k\e\k\f\k\... and so on... And as an additional option do the following: Inside each file in each directory, "find case insensitive" old_name and replace "case sensitive" with new_name, so: find OLD_Name replace with NEW_Name find old_Name replace with new_Name find old_name replace with new_name and so on...