How do I open a related file with a different extension using the current filename?
:e %:r.html
In Vim's command line, % expands to the current buffer's filename.
command-line #ex-commands #command-line #buffers #navigation
Category: command-line
How do I insert the full WORD under the cursor (including slashes and dots) into the command line?
<C-r><C-a>
When you are in command-line mode, inserts the word under the cursor (alphanumeric and _ only).
How do I view my complete Vim command and search history?
:history
:history displays a numbered list of your recently entered Ex commands, giving you a full audit of what you have run in the current session (and across sessions
How do I run a substitution or command on every line in the quickfix list?
:cdo
:cdo {cmd} executes {cmd} on each entry in the quickfix list — one by one, jumping to each location in turn.
command-line #ex-commands #quickfix #search #editing #buffers
How do I sort lines based on a specific field or column rather than the beginning of each line?
:sort /regex/
The :sort /pattern/ command sorts lines by the text that appears after the first match of a pattern, not from the start of each line.
How do I count the number of pattern matches in a file without making substitutions?
:s/pattern//gn
The :s///gn command counts how many times a pattern appears in the file without actually replacing anything.
command-line #search #ex-commands #substitution #command-line
How do I replace a line (or range) with the output of a shell command in Vim?
:.!{cmd}
:.
How do I extract the directory, filename, or extension from the current file path inside a Vim command?
%:h
Vim's filename modifiers let you derive path components from the current buffer's filename directly on the command line.
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 run a Vim command without triggering any autocommands?
:noautocmd write
The :noautocmd modifier (abbreviated :noa) runs any subsequent Ex command while temporarily disabling all autocommand events.
How do I run a substitute command without overwriting my current search pattern?
:keeppatterns
Normally, any command that uses a pattern — including :substitute, :global, and :vimgrep — replaces the current search register @/ with the new pattern.
How do I run a substitute command without overwriting my last search pattern?
:keeppatterns %s/old/new/g
The :keeppatterns modifier runs any Ex command without modifying Vim's last search pattern (stored in @/).
command-line #search #ex-commands #command-line #substitute #registers
How do I apply a normal mode command to every line in a range at once?
:norm
:normal (abbreviated :norm) executes a sequence of normal-mode keystrokes on each line of an address range.
How do I copy lines to a different location in the file without overwriting my yank register?
:t
The :t command (short for :copy) copies addressed lines to a destination line number, leaving the unnamed register untouched.
How do I filter the entire buffer (or a range of lines) through an external shell command?
:%!
The ! operator pipes text through a shell command, replacing the selected lines with the command's output.
How do I run a substitution without overwriting my current search pattern?
:keeppatterns {command}
The :keeppatterns modifier runs an Ex command — typically :s, :g, or :v — without modifying @/ (the last search pattern) or the command history.
command-line #ex-commands #search #substitution #command-line #scripting
How do I save all modified buffers at once without switching to each one?
:wall
When working across multiple files, you often have unsaved changes in several buffers.
How do I run a command without moving the cursor or changing the scroll position?
:let view=winsaveview() | {cmd} | call winrestview(view)
When writing Vimscript functions or mappings, commands like :substitute, gg, or :%normal will move the cursor and change the scroll position.
How do I run a Vim command in a restricted sandbox to prevent side effects?
:sandbox {cmd}
The :sandbox command modifier executes any Ex command in a restricted environment where potentially dangerous operations are blocked.
How do I move all lines matching a pattern to the top of the file?
:g/pattern/m0
When working with large files, you sometimes need to reorganize content by pulling all lines matching a certain pattern to the top.
command-line #global #move #ex-commands #editing #command-line