[Yum] Result of yum to file

[websurfer_email at yahoo.es (Josep M.)]

Hello.

As i asked before for install dependences I solved my problem,now I install all dependences
before build new packages,build these and after remove packages,I would like ask 
if is possible send the outpuut of yum to a file.

I do this:
  sudo yum -y install ${requiredinst}  >>${buildhome}/repository/filename   2>&1

But I see yum in the screen, I want redirect this to a file:)

Thanks for Your help
Josep