Chapter 22. Performing Simple Math and Database Tasks at the Command LineWhat You'll Learn in This Chapter:
You've now learned how to create and edit text files at the command line and how to turn them into high-quality structured documents. A large part of the work you do with computers probably involves other types of data, howevernumbers and lists of data chief among them. This type of information, too, can be efficiently handled by command-line tools. You learn about a few of these tools in this chapter. |