You could replace your source data with this:
my @NIC = split("\n", `ip link | sed -n 1~2p | cut -d':' -f2 | tr -d ' '`);
and go from there, though that's not really the Perl way :P
A more perlish way would be like this:
my @raw_data = `ip link`;
my @NIC = grep { /^\d+:\ /; } @raw_data;
for (@NIC) {
chomp;
s/^[0-9]+:\ ([a-z]+[0-9]*):\ .*$/$1/;
}
Data::Dump::dd(@NIC);
(For some reason map { s/^[0-9]+:\ ([a-z]+[0-9]*):\ .*$/$1/; } grep ... doesn't seem to work).
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