test.pl

#!/usr/bin/env perl
#
# This is a simple test script for the perl Rserve client.
# It establishes a connection to the Rserve server at 
# localhost on the standard port, sends a simple
# string to be evaluated (it prints 'Hello, world!')
# gets the result from the server and prints the result.

use strict;

use Statistics::RserveClient::Connection;

my $server = "localhost";

if (@ARGV > 0) {
    $server = @ARGV[0];
}

print "Opening connection to $server...\n";

my $cnx = new Statistics::RserveClient::Connection($server);
if ( !ref ($cnx) || ! UNIVERSAL::can($cnx, 'can') ) {
  warn "$0: Can't create a connection\n";
  exit;
}

print "Established connection: $cnx.\n";

print "Checking if connection initialized... " . 
  (Statistics::RserveClient::Connection::initialized() ? "TRUE" : "FALSE") . "\n";

print "Sending string to R server for evaluation. Result is:\n";

my @result = $cnx->evalString("x='Hello, world!'; x");

print join "", @result;
print "\n";