Perintah Dasar Vi Editor

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Perintah Dasar Vi Editor


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]

Counts
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 )

Inserting

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

Deleting

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

SUBSTITUTION
:#,#s/old/new/g

# line number range

old pattern to replace

new pattern to insert

g optional key for global substitution
(multiple occurences of old on the same line
will not be replace without this)
READING FILES
copies (reads) filename after cursor in file
currently editing

:r filename

WRITE FILE

:w saves the current file without quitting

MOVING

:# move to line #

:$ move to last line of file

SHELL ESCAPE
executes ‘cmd’ as a shell command.

:!’cmd’

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