How do I make the = operator format code with an external tool like gofmt or black?
:set equalprg=gofmt
By default, Vim's = operator re-indents text using its internal rules.
config #config #editing #ex-commands #formatting #indentation
Tag: indentation
How do I center, right-align, or left-align lines of text using Vim's built-in Ex commands?
:center, :right, :left
Vim includes three built-in Ex commands for text alignment that most users never discover: :center, :right, and :left.
How do I center-align a block of selected lines at a specific column width in Vim?
:'<,'>center
After making a visual selection, typing : automatically inserts ' to scope the command to the selection.
visual-mode #visual-mode #formatting #ex-commands #indentation
How do I insert text at the very first column of a line, ignoring indentation?
gI
Most Vim users know I to insert at the start of a line — but I actually jumps to the first non-blank character, skipping leading whitespace.
How do I auto-indent a block of code in visual selection without specifying a line range?
vip=
Pressing = in visual mode re-indents all selected lines according to the current filetype's indent rules — the same engine used by == for a single line, but a
visual-mode #visual-mode #indentation #editing #text-objects
How do I re-indent all lines from the cursor to the end of the file in one keystroke?
=G
The =G command applies Vim's auto-indent operator (=) from the current line to the last line of the file (G).
How do I reindent a block of code using a visual selection?
= (in visual mode)
After making a visual selection, pressing = applies Vim's auto-indent to every selected line at once.
How do I paste text that automatically matches the indentation of the current line?
[p
When you copy code from one indentation level and paste it at another, p preserves the original indentation, leaving your code misaligned.
How do I fix the indentation of a code block without affecting surrounding code?
=i{
When editing code with messy indentation — after a paste, a merge conflict, or a refactor — you often need to fix just one block rather than the entire file
How do I paste a register in insert mode without triggering auto-indent?
<C-r><C-o>{reg}
When you use a in insert mode to paste register a, Vim inserts the text as if you typed it character by character.
How do I increase or decrease indentation while staying in insert mode?
<C-t> and <C-d> in insert mode
When typing in insert mode, you can adjust the current line's indentation without leaving to normal mode.
How do I indent or dedent the current line without leaving insert mode?
<C-t> and <C-d>
When you're typing in insert mode and realize the current line needs more or less indentation, you don't have to leave insert mode to fix it.
How do I indent lines multiple times without reselecting in visual mode?
>gv
Normally, pressing > in visual mode indents the selection but exits visual mode, requiring you to press gv to reselect.
How do I convert between tabs and spaces in a visual selection?
:'<,'>retab!
The :retab! command converts between tabs and spaces based on your expandtab setting.
What is the difference between 0 and ^ for moving to the beginning of a line?
^ vs 0
Vim has two distinct motions for moving to the start of a line: 0 goes to column 1 (the absolute start), while ^ goes to the first non-blank character.
navigation #navigation #motions #line-navigation #indentation
How do I select a rectangular block past the end of shorter lines in visual block mode?
:set virtualedit=block
By default, Vim's visual block mode () is limited by line length — if some lines are shorter than others, the block selection gets ragged.
How do I make wrapped lines preserve their indentation level?
:set breakindent
When wrap is enabled, long lines wrap to the next screen row starting at column 1 by default, which makes indented code look messy.
How do I make Vim wrap long lines at word boundaries instead of mid-word?
:set linebreak
By default, when wrap is enabled, Vim wraps long lines at the window edge — which can split words in the middle.
How do I apply different settings for specific file types in Vim?
autocmd FileType python setlocal expandtab shiftwidth=4
Vim's autocmd FileType lets you apply settings automatically whenever a specific file type is detected.
How do I indent or unindent the current line while staying in Insert mode?
<C-t> / <C-d>
While in Insert mode, you can adjust indentation without switching back to Normal mode.