Showing posts with label VI EDITOR COMMANDS. Show all posts
Showing posts with label VI EDITOR COMMANDS. Show all posts


General Startup

To use vi : vi filename
To exit vi: and save changes: ZZ   or  :wq
To exit vi: without saving changes: :q!
To enter vi: command mode: [esc]

        A number preceding any vi command tells vi to repeat  that command that many times.

Cursor Movement

h       move left (backspace)

j       move down

k       move up

l       move right (spacebar)

[return]   move to the beginning of the next line

$       last column on the current line

0       move cursor to the first column on the  current line

^       move cursor to first nonblank column on the  current line

w       move to the beginning of the next word or  punctuation mark

W       move past the next space

b       move to the beginning of the previous word or punctuation mark

B       move to the beginning of the previous word, ignores punctuation

        e       end of next word or punctuation mark

        E       end of next word, ignoring punctuation

        H       move cursor to the top of the screen

        M       move cursor to the middle of the screen

        L       move cursor to the bottom of the screen

Screen Movement

       G        move to the last line in the file

       xG       move to line x

       z+       move current line to top of screen

       z        move current line to the middle of screen

       z-       move current line to the bottom of screen

       ^F       move forward one screen

       ^B       move backward one line

       ^D       move forward one half screen

       ^U       move backward one half screen

       ^R       redraw screen  ( does not work with VT100 type terminals )

       ^L       redraw screen  ( does not work with Televideo terminals )


       r        replace character under cursor with next  character typed

       R        keep replacing character until [esc] is hit

       i        insert before cursor

       a        append after cursor

       A        append at end of line

       O        open line above cursor and enter append mode


x       delete character under cursor

dd      delete line under cursor

        dw      delete word under cursor

        db      delete word before cursor

Copying Code

        yy      (yank)'copies' line which may then be put by  the p(put) command. Precede with a count for
multiple lines.

Put Command
        brings back previous deletion or yank of lines,  words, or characters

        P       bring back before cursor

        p       bring back after cursor

 Find Commands

?       finds a word going backwards

/       finds a word going forwards

        f       finds a character on the line under the  cursor going forward

        F       finds a character on the line under the  cursor going backwards

        t       find a character on the current line going  forward and stop one character before it

T       find a character on the current line going  backward and stop one character before it
; repeat last f, F, t, T

Miscellaneous Commands

. repeat last command

u undoes last command issued

U undoes all commands on one line

xp deletes first character and inserts after  second (swap)

J join current line with the next line

^G display current line number

% if at one parenthesis, will jump to its mate

mx mark current line with character x

'x find line marked with character x

NOTE: Marks are internal and not written to the file.

Line Editor Mode
Any commands form the line editor ex can be issued  upon entering line mode.

To enter: type ':'

To exit: press[return] or [esc]

ex Commands
For a complete list consult the  UNIX Programmer's Manual

copies (reads) filename after cursor in file  currently editing
:r filename

:w  saves the current file without quitting


:# move to line #

:$ move to last line of file

executes 'cmd' as a shell command.


A quick reference list of vi editor commands

<ESC> denotes the Esc key, and <CR> denotes the Enter key. 

The expression <cmd>  means that you should enter a command, <f>  means that you should enter a filename, and <x> means that you should enter a character or number. 

The symbol  ^  (caret) means that you should hold down the Ctrl key while pressing the indicated letter.

Vi editor command keys:

  ZZ      Exit, saving changes           t<x>   Up to <x> forward
  Q       Enter ex mode                  T<x>   Back up to <x>
  <ESC>   End of insert                  <x>|   Go to column <x>
  :<cmd>  Execute ex command             w,W    Forward one word
  :!<cmd> Shell command                  b,B    Back one word
  ^g      Show filename/size             e,E    End of word
  ^f      Forward one screen             ^h     Erase last character
  ^b      Back one screen                ^w     Erase last word
  ^d      Forward half screen            ^?     Interrupt
  ^u      Backward half screen           ~      Toggle character case
  <x>G    Go to line <x>                 a      Append after
  /<x>    Search forward for <x>         i,I    Insert before
  ?<x>    Search backward for <x>        A      Append at end of line
  n       Repeat last search             o      Open line below
  N       Reverse last search            O      Open line above
  ]]      Next section/function          r      Replace character
  [[      Previous section/function      R      Replace characters
  %       Find matching () { or }        d      Delete
  ^l      Redraw screen                  dd     Delete line
  ^r      Refresh screen                 c      Change              
  z<CR>   Current line at top            y      Yank lines to buffer
  z-      Current line at bottom         C      Change rest of line 
  ^e      Scroll down one line           D      Delete rest of line 
  ^y      Scroll up one line             s      Substitute character
  ``      Previous context               S      Substitute lines    
  H       Home window line               J      Join lines          
  L       Last window line               x      Delete after        
  M       Middle window line             X      Delete before       
  +       Next line                      Y      Yank current line   
  hjkl    Cursor movement:               p      Put back lines      
          left/down/up/right             P      Put before          
  0       Beginning of line              <<     Shift line left     
  $       End of line                    >>     Shift line right    
  f<x>    Find <x> forward               u      Undo last change    
  F<x>    Find <x> backward              U      Restore current line

Ex mode commands:

  q       Quit                        set <x>   Enable option
  q!      Quit, discard changes       set no<v> Disable option
  r <f>   Read in file <f>            set all   Show all options
  sh      Invoke shell
  vi      Vi mode
  wq      Write and quit
  w <f>   Write file <f>
  w! <f>  Overwrite file <f>


  autoindent      Automatic line indentation
  autowrite       Write before quit
  ignorecase      Ignore case in searches
  number          Display line numbers
  showmatch       Show matches to ) and } as typed
  terse           Quiet mode
  wrapscan        Wraparound in searches
  wrapmargin      Automatic line splitting