05-examples.md

05: examples

Vim keybindings in bash

Type set -o vi. This will allow you to use vim keybindings. Hit Esc then v and you get the vim editor.

Run a command when you save a file

:autocmd BufWritePost * !echo hi there

Use the built-in calculator

In insert mode, hit ^R followed by =. Then type in 1+2 and hit enter.

Insert output of bash command into vim

:r !ls. We could have ran the calculator example using :r !echo "1+2" | bc.

Launch file in vim with read only mode

vim -MR filename.extension

Macros

In normal mode start recording a macro by hitting q followed by a character name the macro. To play the macro hit @ followed by the character you used.

Marks

Hit m followed by any character. To jump to the mark hit backtick followed by the character you chose.

Find

In normal mode hit /your_search_query.

Search and replace globally

:%s/foo/bar/g

Jump to line 12 column 5

:call cursor(12,5) or :12 then hit enter followed by 5l.

Check your vim path and find files

This is where vim will search when using :find file_name. Just type :set path?. Pro tip: get vim to search subfolders by using :set path+=**.

Run external command on visual selection

In visual mode select text and hit ! followed by the external command you want to run on the selection. Some cool external commands are figlet, column, cowsay in addition to others.

Insert a path of a file in insert mode

In insert mode use ^x followed by ^f. Try this: in insert mode type / then hit ^x followed by ^f. To cycle through choices using ^f or ^p and ^n. Learn more about usage with :h ins-completion.

Jump to any open buffer (file)

Try :b intro. Pro tip: see opened buffers using :ls.