Vim Program Editor Usage summary

Vim Program Editor VI and VIM VI: is a word processor

All UNIX like systems will have a VI text editor built in

Many of the software's editing interfaces will actively call VI

Premium version of Vim:vi. is a program development tool

According to the file extension or the beginning of the file to determine the contents of the file, automatically call the program's syntax, color to display the program code

Vi. use of three different modes

General mode	Search and replace, delete characters, delete/copy/paste entire rows
Edit mode	Edit File Contents
Command-line mode	That is, exit VI

General mode common buttons

Cursor movement
G	Move to the last line of the file
N+g	Move to the nth line of the file
N+↑	Move N rows up
N+↓	Move Down n rows
[Ctrl]+[f]	Page Down
[Ctrl]+[b]	Page UP
0 or [home]	Move to the beginning of the line
$ or [end]	Move to end of line
Find and replace
/word	Query down Word
? word	Query up Word
N	Repeat the previous query
N	Reverse repeating previous query
: n1,n2s/word1/word2/g	Between N1 and N2 lines, replace word1 with Word2 and do not ask
: 1, $s/word1/word2/g	From the first line to the last row, replace word1 with Word2, without asking
: 1, $s/word1/word2/gc	From the first line to the last row, replace Word1 with Word2, asking
Line number
: Set Nu	Show line Numbers
: Set Nonu	Do not display line numbers

General Mode---> Edit mode

I	Insert at CURSOR location
I	Inserts the first non-whitespace character in the row of the cursor
A	Inserts the next character prompt at the cursor location
A	Insert the last Word prompt the line where the cursor is located
O	Insert a new line on the next line of the cursor
O	Insert a new row at the top of the line where the cursor is located
R	Replaces only the character of the cursor once
R	Always replace until [ESC]

General Mode---> command line mode /tr>

:q!
:wq	save exit
:w[filename]
:r[filename]	reads the file data of filename and adds it to the line following the cursor
:n1, N2 w [filename]	n1 to N2 row saved as filename
:! Command	temporarily leave VI to command-line mode and execute command

. swp file

Simultaneous editing by multiple people	Find the corresponding person to negotiate
Unknown cause	Not sure if it's useful	Recover	Open the. swp file and choose whether to save it yourself Note:. swp files are not automatically deleted and need to be deleted manually
	Determine useless	Delete

Vim's function block selection

V	Character selection, anti-white selection of characters to be passed
V	Row selection, and the line to be passed is reversed to the white selection
[Ctrl]+v	Block selection, choose in a fast way, as shown on the left
Y	Copy anti-white area
D	Remove anti-white area

Multi-file editing

Premise:

Open multiple files at the same time

VI file1 file2

Switch files in general mode

: N	Compiling the next file
: N	Edit Previous file
: Files	List all the files that Vim is currently open

Multi-Window function

: SP [filename]	Opens a new window with two windows for the same file without the filename parameter
[Ctrl]+w+↑	Press the method: Press [Ctrl] and W first, then release, then press ↑
	Move to the window below
[Ctrl]+w+↓	Move to the top window
[Ctrl]+w+q	Close the window

Vim environment settings and logging

~/.viminfo	VIM will take the initiative to record previous operations
: Set All	Review all current environment setting values
: Set	Show the parameters of your own changes
: Set Nu	Show line Numbers
: Set Nonu
: Set Hlsearch	Find the string highlighting
: Set Nohlsearch
: Set Autoindent	Auto Indent
: Set Noautoindent
: Set Backup	Save the backup file automatically. Default does not save automatically
: Set Nobackup
: Set Ruler	Show status description in lower right corner
: Set Noruler
: Set Showmode	Whether to display the lower left corner status description
: Set backspace= (012)	Whether to allow backspace deletion. 0/1--Delete the characters that have just been entered, unable to delete the original text; 2--can delete any character
: Syntax on	Display colors based on syntax
: Syntax off
: Set Bg=dark	Set basic tones
: Set Bg=light

Other VIM usage precautions Chinese code

Linux Default supported language data	/etc/sysconfig/i18n
View Current Bash language encoding	Echo%lang
Modify language encoding	Lang=zh_cn.big5

Dos vs. Linux break characters

DOS (Windows) break line characters are ^M$,CR and LF

Linux under only $, that is, only LF

Dos2unix [-kn] file [new file]

-K	Keep file original mtime (file content Modification) time
-N	Keep old files, make new files

File language encoding Conversion

Iconv-f Original code-t new code filename [-o newfile]
--list	List the language data supported by Iconv
-F	The original code
-T	New Code
-O	Keep old files, make new files

Vim Program Editor Usage summary