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Connect to RSS Feeds in Ruby
Connect to RSS feeds in Ruby with ruby-dbi, dbd-odbc, and ruby-odbc.
The CData ODBC Driver for RSS makes it easy to integrate connectivity to live RSS feeds in Ruby. This article shows how to create a simple Ruby app that connects to RSS feeds, executes a query, and displays the results.
Create an ODBC Connection to RSS Feeds
If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.
You can connect to RSS and Atom feeds, as well as feeds with custom extensions. To connect to a feed, set the URL property. You can also access secure feeds. A variety of authentication mechanisms are supported. See the help documentation for details.
Installing Ruby and Necessary Gems
If you do not have Ruby installed, refer to the Ruby installation page. With Ruby installed, you will need to install the ruby-dbi, dbd-odbc, and ruby-odbc gems:
gem install dbi
gem install dbd-odbc
gem install ruby-odbc
Create a Ruby App with Connectivity to RSS Feeds
Create a new Ruby file (for example: RSSSelect.rb) and open it in a text editor. Copy the following code into your file:
#connect to the DSN
require 'dbi'
cnxn = DBI.connect('DBI:ODBC:CData RSS Source','','')
#execute a SELECT query and store the result set
resultSet = cnxn.execute("SELECT Pubdate, Author FROM RSSFeed")
#display the names of the columns
resultSet.column_names.each do |name|
print name, "\t"
end
puts
#display the results
while row = resultSet.fetch do
(0..resultSet.column_names.size - 1).each do |n|
print row[n], "\t"
end
puts
end
resultSet.finish
#close the connection
cnxn.disconnect if cnxn
With the file completed, you are ready to display your RSS feeds with Ruby. To do so, simply run your file from the command line:
ruby RSSSelect.rb
Writing SQL-92 queries to RSS allows you to quickly and easily incorporate RSS feeds into your own Ruby applications. Download a free trial today!
Ready to get started?
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RSS ODBC Driver
The RSS ODBC Driver is a powerful tool that allows you to connect with live RSS feeds, directly from any applications that support ODBC connectivity.
With the RSS ODBC Driver, accessing live RSS feeds is as easy as querying a database.
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