test output with markdown formatting Logging can be a pain. Reading logs can be an even bigger pain. Especially if you spend a huge part of your time analysing a systems behaviour. I often found myself in a situation where I avoided going through existing log files. Just because they were so ugly that I couldn’t find the motivation to start extracting valuable information from them. Why Markdown? First of all, the markdown is super easy to learn and easy to read. It’s beautiful to look at, even if only displayed as monospaced text (e.g. in the console of your CI server). If exported and rendered (e.g. in your version control system), you can hand it to your supervisor as-is. syntax The from the example above looks like a hand-crafted performance report if rendered: test output test output rendered by GitHub Why all the efforts? Because the time spent creating readable logs will reduce the time spent actually reading these logs. Similar to the . economics of refactoring And don’t worry, you don’t have to fiddle with a bunch of syntax strings to create valid markdown. The library contains helper classes that are frequently used in our projects, they will do all the hard work for you. Most elements can be created in-line: Java Markdown Generator You can use the library for creating headings, links, images, block quotes, code, lists and even tables. Example code for all of these markdown elements can be found in the . GitHub repository Bonus If you want to go all-in, you can let your own classes implement the interface. This will come in handy for serializing whole objects with one line of code (e.g. a custom matrix instance serialized as markdown table). MarkdownSerializable test output being generated

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Logging Markdown with Java

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Logging Markdown with Java

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Stephan Schultz

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