Tasks are commonly required to access a specific set of files, either using the data they contain, or altering it in some way. Grunt provides a uniform way of specifying sets of files using the src, dest, and files properties that can be used at either the task or target levels.
In this example, we'll be working with the basic project structure we created in the Installing Grunt on a project recipe in Chapter 1, Getting Started with Grunt. Be sure to refer to it if you are not yet familiar with its contents.
If any of the steps in this recipe seem hard to follow, be sure to check out the Creating a multi-task recipe provided earlier in this chapter.
The following steps will take us through creating some sample data files and a simple task that prints their contents:
Let's start by creating two sample files called
one.datandtwo.datin a new directory calleddataand providing them with the following contents:one.dat - Initial sample data. two...