|"consider std Unix sort and uniq..."
Thanks for the suggestion Fastolfe. I considered that but the snippet is the tail end of a (still modest) 95 line script using Net::Telnet::Cisco to query LAN switches for CDP neighbors. Number of switches is under 500 at my current company, so performance isn't really an issue.
Could still be a viable option, but I want do what as much as I can within the script itself, and without using system calls.
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