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6. Working with Text Files

  • Working with files in the terminal might be required especially when working with servers.

6.A Text Editors

  • There's many diffrent text editors that you can use in the terminal with different features and shortcuts.

6.AA Vim / Vi

  • Vim is a text editor that is very popular among developers.
  • It has a lot of features and shortcuts that make it very powerful. It is also very customizable. But it also requires an upfront investment to learn.
  • Gamified Tutorial - Vim Adventures

6.AB Nano

  • Nano is a text editor that is made to be very simple and easy to use.
  • It is very easy to learn and use. But it is not as powerful as Vim.
  • Documentation - Nano

6.AC Emacs

  • Have you ever thought about your operating system as a text editor? Emacs is a text editor that is also an operating system.
  • Emacs has a lot of powerful features and shortcuts. It is also very customizable. But it can be overwhelming to learn.
  • Tour - GNU Emacs

6.AD Micro

  • The new kid on the block. Micro is a terminal-based text editor that is easy to use and has a lot of features. If you liked the simplicity of Nano but wanted more features, Micro is for you.
  • It is straightforward to learn and use. But it is not as powerful as Vim. You may think of it as a modern Nano with highlighting, mouse, and plugin support.
  • Documentation - Micro

6.B Text Manipulation

  • cut allows you to cut out sections of each line of a file. ex: cut -d " " -f 1 file.txt (cuts out the first column of a file)
  • paste allows you to merge lines of files. ex: paste file1.txt file2.txt (merges the lines of two files)
  • sort allows you to sort the lines of a file. ex: sort file.txt (sorts the lines of a file)
  • uniq allows you to remove duplicate lines from a file. ex: uniq file.txt (removes duplicate lines from a file)
  • Documentation - cut
  • Documentation - paste
  • Documentation - sort
  • Documentation - uniq

6.C Text Formatting

  • fmt allows you to format the lines of a file. ex: fmt file.txt (formats the lines of a file)
  • pr allows you to format the pages of a file. ex: pr file.txt (formats the pages of a file)
  • column allows you to format the columns of a file. ex: column -t file.txt (formats the columns of a file)
  • Documentation - fmt
  • Documentation - pr
  • Documentation - column

6.D Text Comparison

  • diff allows you to compare two files. ex: diff file1.txt file2.txt (compares two files)
  • comm allows you to compare two sorted files. ex: comm file1.txt file2.txt (compares two sorted files)
  • Documentation - diff
  • Documentation - comm