21FORMATTING OUTPUT
In this chapter, we continue our look at text-related tools, focusing on programs that are used to format text output, rather than changing the text itself. These tools are often used to prepare text for eventual printing, a subject that we will cover in the next chapter. We will cover the following programs in this chapter:
nl Number lines
fold Wrap each line to a specified length
fmt A simple text formatter
pr Prepare text for printing
printf Format and print data
groff A document formatting system
Simple Formatting Tools
We’ll look at some of the simple formatting tools first. These are mostly single-purpose programs and ...
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