bookmarks/cheat/vim.md

Remove trailing spaces

:%s/\s\+$//e

Create a password-protected file using vim:

vim -x ostechnix.txt

To remove the password, open the file using vim:

vim ostechnix.txt

And type:

:set key=

Finally type :wq to save and close the file.

Indent the whole file in VIM (Source)

gg=G

Text selection (Source)

V       - selects entire lines
v       - selects range of text
ctrl-v  - selects columns
gv      - reselect block

Basics (command mode)

• :open FILE_PATH : open a file
• x - to delete the unwanted character
• u - to undo the last the command and U to undo the whole line
• CTRL-R to redo
• U - return the last line which was modified to its original state (reverse all changes in last modified line)
• A - to append text at the end
• :wq - to save and exit
• :q! - to trash all changes
• dw - move the cursor to the beginning of the word to delete that word
• 2w - to move the cursor two words forward.
• 3e - to move the cursor to the end of the third word forward.
• 0 (zero) to move to the start of the line.
• d2w - which deletes 2 words .. You can change the paramater, e.g d3w for deleting three consecutive words.
• dd to delete the line and 2dd to delete to line . Change the number for deleting the number of consecutive words.
• p - puts the previously deleted text after the cursor(Type dd to delete the line and store it in a Vim register. and p to put the line)
• r - to replace the letter e.g press re to replace the letter with e
• ce - to change until the end of a word (place the cursor on the u in lubw it will delete ubw )
• ce - deletes the word and places you in Insert mode
• G - to move you to the bottom of the file.
• gg - to move you to the start of the file.
• Type the number of the line you were on and then G % to find a matching ),], or }
• :s/old/new/g to substitute 'new' for 'old' where g is globally
• / backward search n to find the next occurrence and N to search in opposite direction
• ? forward search
• :! to run the shell commands like :!dir, :!ls
• :w - TEST (where TEST is the filename you chose.) . Save the file
• v - starts visual mode for selecting the lines and you can perform operation on that like d delete
• :r - Filename will insert the content into the current file
• R - to replace more than one character
• y - operator to copy text using v visual mode and p to paste it
• yw - (copy)yanks one word
• o - opens a line below the cursor and start Insert mode.
• O - opens a line above the cursor.
• a - inserts text after the cursor.
• A - inserts text after the end of the line.
• e - command moves to the end of a word.
• y - operator yanks (copies) text,p puts (pastes) it.
• R - enters Replace mode until <ESC> is pressed.
• ctrl-w to jump from one window to another (see also Window Management section)

Executing commands (shell)

use current buffer as input of a shell command

• :%! grep hello to search for all lines containing hello in the current buffer (Source)

Window management

• :tabe filename to open a file in a new tab (Source)
• gT and gt can be used to switch between tabs (Source)
• vim -p file1 file2 to open files in tabs (Source)
• :sp [file] or Ctrl+W, s : split the window (horizontally) (Source)
• :vsp [file] or Ctrl+W, v : split the window (vertically) (Source)
• Ctrl+w, l : move to the right window from the left (Source)
• Ctrl+w, h : move to the left window again (Source)
• To find more commands: How To Use VIM Split Screen

Buffer management

• :bf go to first file
• :bn go to next file
• :bp go to previous file
• :bl go to last file
• :bw close file
• :help buffer to find more information

YouCompleteMe

• Ctrl+<SPACE> trigger auto completion

Sources

• Basic Vim commands - For getting started