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After going through Programming in Lua, I started watching a video series on learning Neovim. It really got me wanting to try out Neovim, so I started with the tutor. I’ll probably just throw in a few of the most important things I learn in each chapter of the tutor.

Chapter 1

• Moving can be done with the arrows or h, j, k, and l to move left, down, up, and right respectively
• You can open any file in Neovim with nvim FILENAME.
• Exiting Neovim is done with :q! to discard changes, and :wq to keep changes
• Deleting characters outside of insert mode can be done with hitting x
• Entering insert mode can be done by hitting i
  • You can append to any line by hitting A
• Hitting Esc brings you back to normal mode

Chapter 2

• The delete operator can be used to quickly get rid of words
  • dw to delete from your cursor to the next word
  • d$ to delete from your cursor to the end of a line
  • dd to delete an entire line
• You can use numbers before operators to repeat operations
• w moves word to word by the first letter
  • e moves word to word by the last letter
• Change command syntax is as follows, operator [number] motion
• 0 moves to the beginning of a line
• Undo changes with u
  • Undo all changes to a line with U
    • Go forward in time with Ctrl+r

Chapter 3

• After deleting anything, you can put it anywhere with p, placing it after the cursor
• Replace any character with r and the character you want
• c is the change operator; it replaces a section with putting you into insert mode to make changes
  • ce or c#e will delete from the cursor to the end of the word or # amount of words

Chapter 4

• If you want to display your current line location, you can with Ctrl+g
  • gg brings your cursor to the first line
  • #G brings your cursor to line number #
  • G brings your cursor to the end of the file
• You can search for text using / and text to search forward in the file
  • You search backwards using ?
  • When searching, press n for the next occurrence and N for the previous
• Use % to bring your cursor to the opening or closing of a pair of brackets
• Use :s/old/new to substitute the first occurrence of old with new
  • You can specify what lines you want to effect with :#,#s
  • You can use :s/old/new/g to replace an entire lines old with new
  • Use :%s/old/new to replace all old with new

Chapter 5

• You can use external commands using the ! operator;
  • :!ls will run ls
  • Usually opens it up in a smaller window
• We can create new files easily with :w FILENAME, and just as easily remove it with :!rm FILENAME
• Traditional highlighting can be accomplished using v or Visual Selection
  • After highlighting a section of text, you can use d to simply delete the selection
  • You can even save and move selected text into a separate file, writing :w FILENAME
    • You’ll notice after writing the :, some more characters appeared after it, '<, '>. I don’t know why this happens, but it does let you know nicely that you are in some modifier mode
• You can retrieve and place the contents of any file using :r FILENAME
  • A cool trick is reading the output of external commands; you can use :r !ls to read in the output of ls

Chapter 6

• Open is a command you can use to insert a new line under or above an existing line
  • On a line, type o to insert a new line under the line your cursor exists on
  • Typing O will do the same but above the line your cursor is on
• You can append to any line
  • a brings you to the end of the word of your cursor
  • A brings you to the end of the line your cursor is on
• A new mode, Replace mode, can be entered not using r, but R. It works like Insert mode but replaces over characters instead of inserting them into the line
• Copy using y and paste with p
  • You can use v to select and y to copy it
  • You could also use yank as an operator, like using yw to copy a word
  • P places before your cursor instead of after
• The :set operator can be used to configure other commands
  • :set ic ignores casing when searching
  • :set is shows partial matches
  • :set hls highlights all matching phrases
    • Use no in front of any of these options to switch them off