How to interactively obtain user input in %post

[shiva varma <shiv_varma47 yahoo co in>]

Hi.
  In my post install section %post i have provided a
shell script that should interactively accept username
as input. However the stdin seems to be closed during
rpm install time and I am not able to accept input
from user. Do I have to patch rpm to leave stdin open.
If so how can i do it.
 
Thanks
Shiva


		
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