in reply to Passing variables into regular expressions

I'd also suggest using Sys::Hostname to get the hostname, not `hostname`. 
use Sys::Hostname;
my $hn = hostname();

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Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In Section Seekers of Perl Wisdom