Client in Perl - talks to remote finger daemon
Intersystem Communications example from a Well House Consultants training course
More on Intersystem Communications [link]
Source code: pfinger Module: P224
# pfinger - perl runs finger
print "host: ";
chop ($host = <STDIN>);
# resolve host name
$iaddr = inet_aton($host) ||
die ("don\'t know the host\n");
print "user: ";
chop ($user = <STDIN>);
$paddr = sockaddr_in(79,$iaddr);
$proto = getprotobyname("tcp");
socket (SOCK, PF_INET, SOCK_STREAM, $proto) ||
die ("no free sockets\n");
connect (SOCK, $paddr) ||
die ("$host not responding\n");
@response = <SOCK>;
print "Response from $host\n";
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