/var/lib/pcp/testsuite/src/memcachestats.pl is in pcp-testsuite 3.10.8build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67  | #!/usr/bin/perl -w
#
# liberally borrowed from memcache-top at
# https://code.google.com/p/memcache-top/
#
use strict;
use IO::Socket;
use Getopt::Long;
my (@default_instances, @instances, $remote, $default_port);
# List of servers/ ports to query.
@default_instances = ( '127.0.0.1:11211' );
# Default port to connect to, if not specified
$default_port = "11211";
if (@ARGV) {
    GetOptions (
	'instances=s'	=> \@instances,
	'port=i'	=> \$default_port,
    );
    if (@instances) {
	@instances = split(/,/,join(',',@instances));
    } else {
	@instances = @default_instances;
    }
}
else {
    @instances = @default_instances;
}
foreach my $instance (@instances) {
    my ($server);
    my @split = split(/:/,$instance);
    unless ( $split[1] ) {
	$instance = $instance . ":" . $default_port;
    }
    $remote = IO::Socket::INET->new($instance);
    unless ( defined($remote) ) { 
	print "no cigar: $!\n";
	exit(1);
    }
    $remote->autoflush(1);
    my @commands = ("stats", "stats slabs", "stats items" );
    foreach my $command (@commands) {
	print $remote "$command\n";
        LINE: while ( defined ( my $line = <$remote> ) ) {
	    last LINE if ( $line =~ /^END/ );
	    chomp $line;
	    $line =~ s/^STAT //;
	    $line =~ s/
//;
	    print $line . "\n";
	    next LINE;
	}
    }
    close $remote;
}
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