Difference between revisions of "Vi"

From Christoph's Personal Wiki
Jump to: navigation, search
(Started article)
 
(+Cat)
Line 1: Line 1:
 
'''vi''' is a screen-oriented text editor computer program.
 
'''vi''' is a screen-oriented text editor computer program.
  
 +
==Commands==
 
Below is a ''very short'' list of the most useful commands:
 
Below is a ''very short'' list of the most useful commands:
  
Line 96: Line 97:
 
</td></tr>
 
</td></tr>
 
</table>
 
</table>
 +
 +
[[Category:Technical and Specialized Skills]]

Revision as of 08:55, 21 December 2005

vi is a screen-oriented text editor computer program.

Commands

Below is a very short list of the most useful commands:

Command mode
ESC
Movement command
h, j, k, l left, down, up, right
w, W, b, B forward, backward by word
H top of the screen
M middle of the screen
L last line of the screen
Ctrl-F forward one screen
Ctrl-B backward one screen
Ctrl-D forward half screen
Ctrl-U backward half screen
0 (zero), $ start, end of current line
Inserting text
a append after cursor
i insert before cursor
A append to end of line
I insert at start of line
o open a line below current line
O open a line above current line
r replace char
Delete text
x current character
dh previous character
dw current word
db previous word
dd entire line
d$ to end of line
d0 (zero) to start of line
ndd next n lines
Undelete
p insert after cursor
P insert before cursor
Goto line
:linenumber  
nG Goto line n
:7 Goto line 7
Save and exit
ZZ write if changes and quit
:wq write and quit
:w filename save to new file
:q! quit vi
Search
/pattern <RETURN> forward for a pattern
?pattern <RETURN> backward for a pattern
n repeat previous search
N repeat previous search in reverse direction
Search and replace
Example:
  • Search from current line and replace first occurance
    :s/search_string/replace_string/
  • Search from current line and replace all matches
    :s/search_string/replace_string/g
  • Search from every line, replace confirmation (with [y]es)
    :%s/search_string/replace_string/gc
    :1,$s/search_string/replace_string/gc
  • Search lines from 10 to 20
    :10,20s/search_string/replace_string/g
Undo
u the latest change
U all changes on a line
Concatenate
J concatenate two lines