There are many circumstances that necessitate you to compare xml files. If, just for the sake of the example, you have been working as a programmer at a certain company that is using computerized data to generate customer’s repair bill, this could be your perfect condition to compare such files.
In order for the company to successfully generate different bill in accordance with each of their customer’s repairing conditions, you must work with at least three different variables: the costs of the specific parts, the costs of labor needed to install that parts, and some surcharge as your own company’s interest.
Any change in any of these three components, for instance an update in the pricelist of the charge, will automatically affect the calculation of the cost’s repair bill. If you are the company’s programmer, it is your job to meticulously repair the basic XML files and synchronize all the changing. This is not to say that such a job is all that easy. However, your file comparison is important so that the program can run very smoothly in accordance with the company’s latest condition and thus can crucially affect the overall quality of services the company is giving to each of their individual customers.