Chapter 8. File Processing

This chapter covers the following topics:

  • File readers

  • Text processing

  • Text editing

This chapter covers the following objective:

  • Objective 2.3: Given a scenario, create, modify and redirect files.

This chapter continues the work from Chapter 7, “File Manipulation,” and groups together some complementary functions such as file readers (grep, cat, tail, head, less, and more), the more hard-core text-processing commands (sed, awk, cut, and advanced versions of grep), and the very popular text editing applications (vi/vim and nano.)

Most newcomers to the world of Linux and Unix are very surprised by the sheer volume of text produced by running commands, looking at log files, and doing system tasks such as managing ...

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