Easily swap file names?

Question

Is there an easy way to swap the file names of two files in Windows? Perhaps using the move command in the shell?
Preferably without using external software.

Example: I have fileA.txt and fileB.txt. After the operation, fileA.txt is now called fileB.txt, and vice versa.

Answer 1

Simple 3 step process in Windows:

ren a.txt a.tmp
ren b.txt a.txt
ren a.tmp b.txt

You can run this directly or save it to a batch file.