tldr/pages/common/vim.md

vim

Vim (Vi IMproved), a programmer's command-line text editor, provides several modes for different kinds of text manipulation. Pressing i enters edit mode. <Esc> goes back to normal mode, which doesn't allow regular text insertion. More information: https://www.vim.org.

• Open a file:

vim {{path/to/file}}

• Save a file:

:write

• Quit without saving:

<Esc>:quit!<Enter>

• Open a file at a specified line number:

vim +{{line_number}} {{path/to/file}}

• View help for setting (such as {{set number}}):

<Esc>:help '{{setting_name}}'

• Undo the last operation:

<Esc>u

• Search for a pattern in the file (press n/N to go to next/previous match):

<Esc>/{{search_pattern}}<Enter>

• Perform a regex substitution in the whole file:

<Esc>:%s/{{pattern}}/{{replacement}}/g<Enter>