api: sample command line api call in perl

tx to lilyth for the idea (works on cpuminer, sgminer and cgminer too)

api/summary.pl

@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+
+# sample script to query ccminer API
+
+my $command = "summary|";
+
+use Socket;
+use IO::Socket::INET;
+
+my $sock = new IO::Socket::INET (
+    PeerAddr => '127.0.0.1',
+    PeerPort => 4068,
+    Proto => 'tcp',
+    ReuseAddr => 1,
+    Timeout => 10,
+);
+
+if ($sock) {
+
+    print $sock $command;
+    my $res = "";
+
+    while(<$sock>) {
+        $res .= $_;
+    }
+
+    close($sock);
+    print("$res\n");
+
+} else {
+
+    print("ccminer socket failed\n");
+
+}