But specially for your example, you can do it like
my $ip_wan = new NetAddr::IP("10.20.20.1/24");
my $ip_addr = $ip_wan->addr();

for (@line) {
  s/<IP_WAN>/$ip_addr/;
}

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In reply to Re: Perl ignore arrow object operator in search/replace by pajout
in thread Perl ignore arrow object operator in search/replace by fouinix

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