The argument for prompt in the constructor of Net::Telnet in fact is a regular expression. So the task at hand here is to craft a valid regular expression for all 900 routers. If you are having problems with that, feel free to ask.

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re: Regular expressions in shell prompts by shmem
in thread Regular expressions in shell prompts by vasanth.easyrider

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