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.
Tag: 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 access and manipulate the last search pattern as a register?
"/
Vim stores the last search pattern in the special / register.
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 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 sort lines by a specific column or field in Vim?
:'<,'>!sort -t',' -k2 -n
Vim does not have a built-in multi-column sort, but you can leverage the external sort command to sort selected lines by any field.
editing #editing #sorting #ex-commands #external-commands #command-line
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
How do I get enhanced tab completion with a visual menu for commands and file paths?
:set wildmenu wildmode=longest:full,full
By default, Vim's command-line tab completion just cycles through options.
How do I run a substitute command without changing my current search pattern?
:keeppattern s/old/new/g
When you run a :s or :g command, Vim updates the search register (@/) with the pattern you used.
How do I show context lines around each match when using the :global command?
:g/pattern/z#.5
The :global command is great for finding lines matching a pattern, but by default it only shows the matching lines themselves.
How do I use search patterns as line ranges in Ex commands to operate on a block of text?
:/start/,/end/d
Instead of specifying line numbers for Ex command ranges, you can use search patterns.
command-line #ex-commands #editing #search #ranges #command-line
How do I run an Ex command without changing the current search pattern?
:keeppattern {cmd}
Many Ex commands silently overwrite the search register (@/), which changes your hlsearch highlighting and n/N behavior.
How do I use relative line offsets in Ex commands to target lines near the cursor?
:.+1,.+3d
Vim's Ex command addresses support arithmetic offsets relative to the current line (.
command-line #ex-commands #editing #navigation #command-line
How do I populate the quickfix list from any shell command?
:cexpr system('grep -rn pattern .')
While :make and :grep populate the quickfix list, they are limited to their configured programs.
How do I populate the quickfix list from the output of a shell command?
:cexpr system('command')
The :cexpr command parses any expression into the quickfix list using the current errorformat.
How do I run an Ex command on all lines between two pattern matches?
:/start/,/end/ {command}
Vim's range addressing lets you specify a line range using search patterns instead of explicit line numbers.
How do I paste the contents of a register into the command line or search prompt?
:<C-r>"
When typing an Ex command or search pattern, you often need to insert text you've already yanked or deleted.
How do I copy or transfer text between Vim registers?
:let @+ = @"
Vim's :let @{reg} syntax lets you read from one register and write to another.