linux-Basics-Day 12th

Vim Editor

Brief introduction

Vi:visual Interface, Text editor

Text: ASCII, Unicode

Type of text editing:

Line Editor: SED

Full Screen Editor: Nano, VI

Vim-vi improved

Use

Vim: A patterned editor

Basic mode:

Edit mode, Command mode

Input mode

Last-line mode: Built-in command-line interface

Open File:

# vim [OPTION] ... FILE ...

+#: After opening the file, the cursor is directly at the beginning of line #;

+/pattern: After opening the file, the cursor is directly at the beginning of the first line that is matched to the PATTERN;

Mode conversion:

Edit mode--Input mode

I:insert, enter at the cursor position;

A:append, enter at the back of the cursor position;

O: Opens a new line below the line where the cursor is currently located;

I: Enter at the beginning of the line where the cursor is currently located;

A: Enter at the end of the line at the current cursor;

O: Opens a new line above the line where the cursor is currently located;

C

C

Input mode--edit mode

Esc

Edit Mode--last-line mode

:

Last-line mode--edit mode

Esc

To close a file:

: Q exit

: q! Force exit, discard the changes made;

: Wq Save Exit

: X Save exit

: W/path/to/somewhere

ZZ: Save exit;

Cursor Jump:

Jump between characters:

H, J, K, L

H: Left

L: Right

J: Next

K: Up

#COMMAND: Jumps the number of characters specified by #;

Jump between words:

W: The first word of the next word

E: The ending of the current or next word

B: The first word of the current or previous word

#COMMAND: Specifies the number of words to jump by # at one time

Beginning line End Jump:

^: jumps to the first non-whitespace character at the beginning of a line;

0: Jump to the beginning of the line;

$: Jump to end of line;

Move between rows:

#G: Jumps to the line specified by #;

G: Last line;

1G, GG: First line;

Move between sentences:

)

(

Move between paragraphs:

}

{

Vim's edit command:

Character editing:

X: Delete the character at the cursor;

#x: Delete the # characters at the beginning of the cursor;

XP: Swap the position of the character where the cursor is located and the character behind it;

Replace command (R, replace)

R: the character at which the cursor is replaced

Delete command:

D: Delete command, can be combined with the cursor jump character, to achieve range deletion;

d$:

d^:

D0:

Dw

De

Db

#COMMAND

DD: Delete the line where the cursor is located;

#dd: Multi-line deletion;

Paste command (p, put, paste):

P: If the buffer is an entire row, the current cursor is pasted below the line, otherwise, it will be pasted at the back of the current cursor;

P: If the buffer is an entire row, the current cursor is pasted above the row, otherwise, it is pasted at the front of the current cursor;

Copy command (y, yank):

Y: Copy, work behaves similar to D command;

y$

Y0

y^

Ye

yw

Yb

#COMMAND

YY: Copying rows

#yy: Copy multiple lines;

changing commands (c, change)

C: Modify

Edit mode--Input mode

C $

c^

C0

Cb

Ce

cw

#COMMAND

CC: Delete and enter new content

#cc:

Other editing operations

Visualization mode:

V: Selected by character

V: set by row

Note: often combine editing commands;

D, c, y

To undo previous edits:

U (undo): Undo the previous operation;

#u: Undoes the specified number of operations;

Undo the previous undo:

Ctrl+r

Repeat the previous edit operation:

.

Turn screen operation:

Ctrl+f: Turn a screen at the end of the file;

Ctrl+b: Turn one screen to the file header;

Ctrl+d: Half-screen to the tail of the file;

Ctrl+u: Turn half screen to file header;

Vim comes with a practice tutorial:

Vimtutor

Last-line mode in VIM:

Built-in command-line interface

(1) Address delimitation

: Start_pos,end_pos

#: The specific # line, for example, 2 means line 2nd;

#,#: From the left # indicates the line start, to the right # indicates the end of the line;

#,+#: The start of the line from the left #, plus the number of rows on the right #;

.: When moving forward

$: Last line

., $-1

%: Full text, equivalent to 1,$

/pat1/,/pat2/:

Starting from the first line that is matched to the pat1 pattern, until the end of the line to which the first match is PAT2;

#,/pat/

/pat/,$

How to use:

followed by an edit command

D

Y

W/path/to/somewhere: Save the range of rows to the specified file;

R/path/from/somefile: Inserts all the contents of the specified file at the specified location;

(2) Find

/pattern: Looks at the end of the file from the current cursor location;

? PATTERN: From the current cursor location to the file header lookup;

N: In the same direction as the command;

N: Opposite direction with command;

(3) Find and replace

S: Complete the Find and replace operation in the last line mode

s/what to look for/replace with content/modifiers

What to look for: Available modes

Replace with: cannot use mode, but can use \1, \2, ... You can also use "&" to refer to the entire content found in the previous lookup;

Modifier:

I: Ignore case

G: global substitution; By default, each row replaces only the first occurrence;

Find separators in substitutions/can be replaced with other characters, such as

[Email protected]@@

s###

linux-Basics-Day 12th