If you have the jq command github.com/jqlang/jq installed, you can use it to format JSON in Vim! On the line where you have a large JSON object: { "foo": { "bar": { "foo_id": null, "bar_id": 98765, "baz_id": 12345 } } } Run: :.!jq . Vim bang operator/cmd: :h ! #vim

The vim-yoink plugin lets you to yank multiple times and quickly choose which yanked text to paste (with Ctrl-n/Ctrl-p). If you use copy/paste often, check it out! github.com/svermeulen/vim-yo… #vim

If you want to resize, swap, and move windows, the winresizer plugin (github.com/simeji/winresizer) can quickly resize your vim window with its resize mode. Check it out! #vim

If you have one large window and one small window, you can make them equal size with Ctrl-w + = :h CTRL-W_= #vim

You can "swap" windows with Ctrl-w + r (technically it's down/right-ward rotation, but works like a swap with only 2 windows) :h CTRL-W_r #vim

To roll a dice 5 times: :for i in range(1,5) | put='Dice roll: ' . (rand() % 6 + 1) | endfor #vim

There are 5 different history commands in Vim: :his c or : - command-line history (q:) :his s or / or ? - search history (q/ or q?) :his e or = - expression history :his i or @ - input history :his d or > - debug history #vim

= is the filter operator (by default it indents). If you want to indent the entire buffer, run: gg=G - gg goes to the top - =G indent operator + all the way to the bottom Use `` to go back to the original location. Try: gg=G`` More: stackoverflow.com/questions/… :h = #vim

Press Ctrl-W o`` to zoom the current window and close other open windows (You can also run `:on`) #vim

If you want to close the current window, you can press Ctrl-w + c More: :h CTRL-W_c #vim

If you use fugitive.vim, you can use git grep to use a keyword in a specific branch / SHA :Ggrep MY_FOO some-branch :Ggrep MY_FOO some-sha Useful if you want to see if / how a text looks like in a different branch :h :Ggrep github.com/tpope/vim-fugitiv… #vim

To reverse two words, you can use this substitution: :s/\(\w\+\) \(\w\+\)/\2 \1/g This will reverse "strawberry chocolate" into "chocolate strawberry" If you think there's too many backslash, you can use \v: :s/\v(\w+) (\w+)/\2 \1/g #vim

To generate 100 lines of "100 bottles of milk", you can run: :for i in range(100, 0, -1) | put = i . ' bottles of milk 🥛' | endfor #vim

Let's say you have: apples oranges apples bananas To search for apples FOLLOWED BY bananas (and not apples followed by oranges), you can use a multi-line search /apples\_.bananas :h \_x #vim

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Last time we looked at :vimgrep to search for keywords. :vimgrep /Waffles/ app/**/*.rb To add more results into your last search, you can use :vimgrepa. To also search for Pancakes: :vimgrepa /Pancakes/ app/**/*.rb Now you have a list of Waffles AND Pancakes. #vim

Vim has an internal grep to search for texts in files, :vimgrep. If I want to search "Waffles" inside ruby files inside app/ directory: :vimgrep /Waffles/ app/**/*.rb To display the quickfix list result: :copen Try it! #vim

When you pass multiple file names when you run Vim from the terminal (vim bar.rb foobar.lua), Vim stores those files inside the argument lists, which you can access with :args You can navigate through the argument lists with :next, :prev, :first, :last. :h arglist #vim

If you want to undo your changes across multiple windows, you can run :windo undo To redo your changes, you can run: :windo redo #vim

To open the content of another file, use the :read command To read the content of foo.txt: :r foo.txt #vim