change filename : <p>I need some help in renaming a large amount of files I am using bash
pretty cutting _Filestore and everything that ends after key and crt in 
files. Thx for your help</p>

<hr>

<p><strong>Current File</strong></p>

<p>_Filestore.dev.orange.key_12345_1</p>

<p>_Filestore.dev.orange.crt_57397_1</p>

<p>_Filestore.dev.apple.key_95672566_1</p>

<p>_Filestore.dev.apple.crt_22258_1</p>

<p><strong>Need it to look like this</strong></p>

<p>dev.orange.key</p>

<p>dev.orange.crt</p>

<p>dev.apple.key</p>

<p>dev.apple.crt</p>
