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Overview
Using
filters
Collating
sequence
Character
classes
Character-to-character
transformation
Selecting lines by content
Regular
expressions
Basic
regular expressions
Extended
regular expressions
Grep
Stream
editor
Sed addresses
Splitting a file
according to context
Choosing between the
three filters
More on
Vi
Summary
Exercises
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Overview
This chapter covers
- regular expressions; and
- simple use of the utilities Grep, Sed and
tr.
The purpose of this chapter is to consider in detail three
powerful UNIX utilities which are usually used as filters
(components of a pipeline).
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