/usr/share/doc/gawk/examples/network/fingerclient.awk is in gawk 1:4.1.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | BEGIN {
NetService = "/inet/tcp/0/localhost/finger"
print "var{name}" |& NetService
while ((NetService |& getline) > 0)
print $0
close(NetService)
}
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