Batch file to add underscore in file Name

[sushil261]

I have a pdf name 019078951000080.pdf I want to rename it as 01_907_895_1_000080.pdf by using a batch program. There are multiple pdf I need to perform the same action. Please suggest me the batch program for it.

 

[USAFRet]

ReNamer should be able to do it:
http://www.den4b.com/?x=products&product=renamer