Gvim/vim tips

Blog overview
stay Linux The most commonly used editor in is VIM, however VIM Use and Linux The use of is basically the same , Are based on command line operations , because VIM There are only commands without menus . that , If you want to use VIM You must remember some common commands , It's convenient for us to use VIM To the point of doing what you want . This article will summarize what we often use VIM Mode of operation , For students to learn and convenient for bloggers to review in the future .

VIM Working mode
VIM There are three working modes , Command mode , Insertion mode , Edit mode , Among them, the insertion mode is the same as that we commonly use txt There is little difference in the preparation of documents , But both command mode and edit mode are for us to be faster 、 Better documentation provides .
VIM Common commands
In command mode u Indicates to undo the latest operation .

VIM Several ways of changing from command mode to insert mode

command	effect
a	Insert... After the character of the cursor
A	Insert... At the end of the line where the cursor is
i
I	Insert... At the beginning of the line where the cursor is
o	Insert a new line under the cursor
O	Inserts a new line on the cursor

The above table is in VIM Several ways of changing from command mode to insert mode .

Locate the command

command	effect
:set nu	VIM The editor displays the line number
:set nonu	VIM Cancel the display line number
gg	To the first line
G	To the last row
nG	To the first n That's ok
:n	To the first n That's ok
$	Move to the end of the line
0	Move to the beginning of the line

The delete command

command	effect
x	Delete cursor character
nx	After deleting where the cursor is n Characters
dd	Deletes the line where the cursor is located
ndd	Delete the cursor and the n That's ok
dgg	Delete all lines before the line where the cursor is located
dG	Delete all lines after the line where the cursor is located
D	Delete the cursor line to the end of the line
:n1,n2d	Deletes the row of the specified range

Copy and cut commands

command	effect
yy	Copy the current row
nyy	Copy below the current line n That's ok
dd	Cut the current line
ndd	Cut below the current line n That's ok
p,P	Paste under or on the line where the current cursor is located

Replace and cancel commands

command	effect
r	Replaces the character where the cursor is
R	Replace the character from where the cursor is , Press Esc end
u	Cancel the previous operation

Find and replace commands

command	effect
/string	Search for the specified string
set ic	Ignore case when searching
n	Specify the next occurrence position of the string when searching
:%s/old/new/g	Full text replacement string ,gc It means that each string needs to be manually judged by yourself, which is the most commonly used
:n1,n2s/old/new/g	Replace strings within a certain range

Save command

command	effect
:w	Save changes
:w new_filename	Save as the specified file
:wq	Save the changes and exit
ZZ	Shortcut key , Save the changes and exit
:q!	Exit without modification
:wq!	Save the changes and exit

VIM Using skills
Import all the contents of another file into the current file

 command ： Enter... In edit mode ：r+ The file name of the import file 
 Example ：:r test.txt

Don't quit VIM Under the premise of , perform Linux command , And print the executed results to the current file

 command ： Enter... In edit mode ：r ! command 
 Example ：:r !ls

stay VIM Define shortcuts in the editor

 command ：map  Shortcut key   Trigger a command 
 Example ：map ^p I# <ESC>

The whole replacement of words

 command ： ab
 Example ：ab always always @(posedge sclk or negedge)

How to save the current VIM Set the shortcut keys and replace them as a whole
Create a folder under the current user .vimrc The file of , Write the created shortcut key to the file

 Example :vim root/.vimrc