Over the years this website has been through many, many changes – from HTML to Flash to Joomla to WordPress and finally to Drupal. A couple of years ago, I decided to import lots of my old programming and AS400 specific documentation into the website and imported everything in Drupal ‘forums’. Primarily as an easy

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So, for a recent project I wanted to create a simple webservice, a “heartbeat” program that would be written in RPG and would reply to anbody calling it from anywhere on the network with a simple response that indicated that it worked. A webservice is routine that can be called over a TCP/IP network. •

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