Challenge 17 _​ PVsolution

<p><strong>Challenge 17 - Prepare KNIME Training File Set</strong></p><p><strong>Level:</strong> Medium<br><br><strong>Description</strong>: You are responsible for creating an educational program for KNIME to be conducted within your company. You plan to create a workflow where participants can learn how to use the "<strong>List Files/Folders</strong>" node and its utility. <strong>Hint:</strong> When generating random numbers, the <strong>Vernalis KNIME Nodes Extension</strong> might be helpful.<br><br>As preparation, you need to create dummy data that meets a few requirements, described as follows.<br><br><em>Beginner-friendly objective</em>s:<br>- Create a specified number of folders (up to 5,000) with unique random numbers of up to 6 digits within a designated directory.<br>- Use zero-padding to ensure the numbers have consistent digit length.<br><br><em>Intermediate-friendly objective:</em><br>- Inside each folder, create one file with a random number of up to 5 digits as its name. Zero-padding is not required, and the file names do not need to be unique.<br>- The file extension should be (1) the fictional file extension <strong>.fzbz</strong> if the folder name is a multiple of 3 <strong>and</strong> the file name contains the number 5, or (2) <strong>.csv</strong> for all other cases. The contents of each file can be empty.</p>