IBM DB2 manual Example A-3 Sample Ruby application

$conn = db2_connect($dsn, '', '');

if ($conn) {

echo "Connection succeeded.\n"; echo "Closing connection...\n"; db2_close($conn);

echo "Connection closed.\n";

}

else {

echo db2_conn_errormsg(), "\n"; echo "Connection failed.\n";

}

?>

A.3 Ruby

Example A-3shows the application used to demonstrate the deployment of the DB2 PHP application.

Example: A-3 Sample Ruby application

#A sample Ruby application.

#Use this program to test connection to a database.

#Database connectivity information is read as command line arguments.

#Give arguments in the following order:

#hostname port_number database_name user password

#

#Run the application as following:

#ruby itso_rubyapp.rb hostname port_number database_name user password

require 'ibm_db'

if ARGV.length != 5

puts " ERROR: incorrect command line arguments.\n Use hostname port_number database_name user_name password\n"

else

#Creating dsn from command line arguments. dsn = ""

dsn << "HOSTNAME=" << ARGV[0] << \ ";PORT=" << ARGV[1] << \ ";DATABASE=" << ARGV[2] << \

Appendix A. Sample applications 263