Extracting Data from XML Files Using Linux Command Line

In the world of system administration and data processing, the ability to extract specific information from XML files directly on the command line is a valuable skill. Although XML files are best handled with tools designed for XML due to their structure and nesting levels, sometimes you might find yourself restricted to using basic Unix utilities like grep and sed. Here, we’ll explore how to use these tools to extract data from XML files, specifically focusing on retrieving a username from an XML configuration file.

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