I cannot hardcode the @finalnwlist value as I said it will vary on different machine. This gets input from xml file. nor I can hardcode @lines with exports permission as you have done here.

You don't have to :)

You're struck, and the key to getting unstuck

Starting a new file, with minimal amount of code and minimal amount of hardcoded data like Re: Replace an asterisk '*" with the content of array

Then simply explain what that program should do using as many words as you possibly can without copy/paste

Please do this in the next minute and post what you get