How do I count the number of lines containing a pattern without making any replacements?
:%s/pattern//n
The n flag in the substitute command suppresses the actual replacement and instead reports the match count.
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How do I jump to the middle of a line in Vim?
gM
The gM command moves the cursor to the horizontal middle of the current line, regardless of how long the line is.
What is the difference between \n and \r in Vim substitution patterns and replacements?
:s/\n/ /
One of the most confusing asymmetries in Vim's substitution syntax: \n and \r mean different things depending on whether they appear in the pattern or the repla
How do I jump to a specific percentage through a file, like the middle or three-quarters of the way?
50%
Prefixing the % command with a count jumps the cursor to that percentage through the file.
How do I make the = operator use an external formatter instead of Vim's built-in indentation?
:set equalprg={program}
The equalprg option replaces Vim's built-in = indentation operator with any external formatting program.
How do I scope a Vimscript variable to a specific buffer, window, tab, or script to avoid conflicts?
b: w: t: s:
Vimscript variables are prefixed with a one-letter scope identifier followed by a colon.
How do I get a start screen with recent files and sessions?
vim-startify plugin
vim-startify provides a configurable start screen when you open Vim without a file.
How do I filter a range of text through an external shell command in Vim?
!{motion} {cmd}
The ! operator passes text selected by a motion through an external shell command, replacing it with the command's output.
How do I paste my last Ex command into the command line or a buffer?
<C-r>:
Vim stores your last executed Ex command in the read-only : register.
How do I get an enhanced status line with vim-airline?
Plug 'vim-airline/vim-airline'
vim-airline provides a beautiful, feature-rich status line that shows file info, git branch, diagnostics, and more with minimal configuration.
How do I run commands without disturbing my marks?
:lockmarks
Many Ex commands silently adjust or delete marks as a side effect of modifying buffer content.
How do I run a command on every individual quickfix entry in Vim?
:cdo s/old/new/ | update
:cdo {cmd} executes a command at every entry in the quickfix list, visiting each location in turn.
How do I see the raw UTF-8 byte values of the character under the cursor?
g8
Pressing g8 in normal mode displays the UTF-8 encoding of the character under the cursor as a sequence of hex bytes.
How do I evaluate a Vimscript expression and insert the result into a command-line command?
<C-r>= (command-line mode)
Just like = lets you insert evaluated expressions in insert mode, you can use it inside an Ex command on the command line to embed any Vimscript expression resu
How do I export the current buffer as syntax-highlighted HTML from within Vim?
:%TOhtml
Vim ships with a built-in plugin that converts the current buffer into a standalone HTML file, complete with your exact syntax highlighting colors.
How do I restore a file to its state at a specific time?
:earlier 10m
The :earlier command restores the buffer to its state at a specific time in the past.
How do I get improved % matching for language keywords like if/else/endif in Vim?
vim-matchup
The vim-matchup plugin by Andy Massimino is a drop-in replacement for Vim's built-in matchit plugin that supercharges the % key to work with language-specific k
plugins #plugins #matchup #navigation #text-objects #matching
How do I jump to a specific byte offset position in a file?
{count}go
The go command moves the cursor to a specific byte offset from the start of the buffer.
How do I rename a variable across all case variants (snake_case, camelCase, MixedCase) at once?
:Subvert
The vim-abolish plugin's :Subvert command (abbreviated :S) substitutes a word across all its case variants simultaneously.
How do I append text to the end of multiple lines that have different lengths?
<C-v>jj$A;
Visual block mode normally selects a fixed-width column, which makes appending tricky when lines have different lengths.