1. Opened a file with vim but does not have permission to write, forgot to do sudo? No worries, you can still write to the file if user has sudo rights.
:w !sudo tee %
2. Revert document to 5min back. Opposite of “:earlier” is “:later”.
:earlier 5m
3. Execute external command and dump output in current window.
:.! [command]
Add current date in the fileopened.
:.! date
4. Delete commands
diw to delete the current word.
di( to delete within the current parenthesis.
di” to delete the text between the quotes.
More can be found at
:help text-objects
5. Turn vim into hex editor. Open file with “-b” to avoid any damage.
:%!xxd
Revert:
:%!xxd -r
6. Searching
/pattern - search forward for pattern ?pattern - search backward n - repeat forward search N - repeat backward * - search for word currently under cursor g* - search for partial word under curso Some variables available to set: :set ignorecase - case insensitive :set smartcase - use case if any caps used :set incsearch - show match as search proceeds :set hlsearch - search highlighting
7. Variables
:set - shows vars different from defaults :set all - shows all values :set foo? - shows the value of foo :set foo+=opt - add opt to the value w/o changing others :set foo-=opt - remove opt from value :set foo& - reset foo to default value :setlocal foo - only the current buffer :verbose set foo? - tells you where it was last set
8. Replace
Replace occurrences of 'foo' with 'bar' in the whole file:%s/foo/bar/g
Replace occurrences of ‘foo’ with ‘bar’ in the current line
:s/foo/bar/g
Replace everything with confirmation first, note the ‘c’ below
:%s/foo/bar/gc
Replace words exactly matching ‘foo’ with confirmation first
:%s/\<foo\>/bar/gc
Replace everything with case insensitive and confirmation first, note the ‘c’ and ‘I’ below
:%s/foo/bar/gic
9. Create horizontal and vertical windows. ‘-o’ for horizontal and ‘-O’ for vertical windows.
vim -o file1 file2
vim -O file1 file2
10. Get help
:help ‘incsearch’
:help :substitute
