Vi Command
From Luke Jackson
| Revision as of 08:39, 7 April 2008 (edit) Ljackson (Talk | contribs) (→Examples) ← Previous diff |
Current revision (15:15, 21 January 2009) (edit) Ljackson (Talk | contribs) (→Sources) |
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| * http://www.cs.rit.edu/~cslab/vi.html | * http://www.cs.rit.edu/~cslab/vi.html | ||
| + | * http://www.lagmonster.org/docs/vi.html#motion | ||
| [[Category:Mac OS X]] | [[Category:Mac OS X]] | ||
| [[Category:Linux]] | [[Category:Linux]] | ||
Current revision
vi -- Linux/Unix/Mac OS X Basic Text Editor
Contents |
Introduction
You can use vi to edit files via SHELL. It is very helpful when are you are managing a system remotely.
Usage
usage: vim [arguments] [file ..] edit specified file(s) or: vim [arguments] - read text from stdin or: vim [arguments] -t tag edit file where tag is defined or: vim [arguments] -q [errorfile] edit file with first error
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
READING FILES
Copies (reads) filename after cursor in file currently editing
:r filename
WRITE FILE
saves the current file without quitting
:w
MOVING
move to line #
:#
move to last line of file
:$
SHELL ESCAPE
Executes 'cmd' as a shell command.
:!'cmd'
Arguments
-- Only file names after this -v Vi mode (like "vi") -e Ex mode (like "ex") -s Silent (batch) mode (only for "ex") -d Diff mode (like "vimdiff") -y Easy mode (like "evim", modeless) -R Readonly mode (like "view") -Z Restricted mode (like "rvim") -m Modifications (writing files) not allowed -M Modifications in text not allowed -b Binary mode -l Lisp mode -C Compatible with Vi: 'compatible' -N Not fully Vi compatible: 'nocompatible' -V[N] Verbose level -D Debugging mode -n No swap file, use memory only -r List swap files and exit -r (with file name) Recover crashed session -L Same as -r -T <terminal> Set terminal type to <terminal> -u <vimrc> Use <vimrc> instead of any .vimrc --noplugin Don't load plugin scripts -o[N] Open N windows (default: one for each file) -O[N] Like -o but split vertically + Start at end of file +<lnum> Start at line <lnum> --cmd <command> Execute <command> before loading any vimrc file -c <command> Execute <command> after loading the first file -S <session> Source file <session> after loading the first file -s <scriptin> Read Normal mode commands from file <scriptin> -w <scriptout> Append all typed commands to file <scriptout> -W <scriptout> Write all typed commands to file <scriptout> -x Edit encrypted files -i <viminfo> Use <viminfo> instead of .viminfo -h or --help Print Help (this message) and exit --version Print version information and exit
Examples
Show Line Numbers
While editing a document (and not inserting text), type the following to turn on line numbers:
:set number
If you tire of the line numbers, enter the following command to turn them off:
:set nonumber