Byoung-Jo CHOI Fall 2007 SW Project II Advanced Linux Programming.

Byoung-Jo CHOI

Fall 2007

SW Project IIAdvanced Linux Programming

SW Project IIAdvanced Linux Programming

2

Lecture 2: Editing / Text Processing

vi : vim, gvim tutorial, tips and tricks

Emacs tutorial, customization, info

sed / tr / awk regular expressions text processing

OpenOffice, LaTeX Printing

3

History of VI (vee-eye / vye)

eded exex vivi vimvim

Bill Joy, 1976

extended visual vi-improvededitor

Ken Thompson

QEDQED

Bram Moolenaar, 1991

ADM3A keyboard layout

4

Modes of vi

StartStart

EndEnd

Command Modemove: hjkl Ctr-F Ctr-Bdelete: d, change: creplace: r, search: /?

Command Modemove: hjkl Ctr-F Ctr-Bdelete: d, change: creplace: r, search: /?

ex Modeewnqr!sg/

map set sh ab

ex Modeewnqr!sg/

map set sh ab

Editing ModeEditing Mode

aAiIoO

ESC

:ENTER

q

ZZ

vi is a modal editor.

vi is a modal editor.

5

vi Commands

To Begin and End Begin End

To enter texts i : insert texts at the cursor I : insert texts at the beginning of the current line a : append texts after the cursor A : append texts at the end of the current line o : enter texts at a new line after the current line O : enter texts at a new line before the current

line

vi hello.cvi hello.c vi *.cvi *.c vi a.c b.cvi a.c b.c vi [ab]*.cvi [ab]*.c

:wq:wq :q:q :q!:q! :wn:wn

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vi Commands

Once upon a time there were four l

ittle Rabbits, and their names were Fl

opsy, Mopsy,

Cotton-tail, and Peter. They lived wit

h their Mother in a sand-bank, underne

ath the root of a very big fir-tree.

from “The Tale of Peter Rabbit” by BEATRIX POTTER

cursorcursor

e

aA

i

I

o

O

To enter texts

7

vi Commands

'Now, my dears,' said old Mrs.

Rabbit one morning, 'you may go

into the fields or down the lane,

but don't go into Mr. McGregor's

garden: your Father had an

accident there; he was put in a

pie by Mrs. McGregor.‘

'Now run along, and don't get into misch

ief. I am going out.‘

Then old Mrs. Rabbit took a basket and h

er umbrella, and went through the wood t

o the baker's. She bought a loaf of brow

n bread and five currant buns.

To move around relaive: hjkl+- page: Ctr-b Ctr-f line: G nG

elh

k

j

2 linesoverlap

2 linesoverlap fCtrl

bCtrl

G

2G

+

-

current cursorcurrent cursor

8

vi Commands

'Now, my dears,' said old Mrs.

Rabbit one morning, 'you may go

into the fields or down the lane,

but don't go into Mr. McGregor's

garden: your Father had an

accident there; he was put in

a pie by Mrs. McGregor.‘

'Now run along, and don't get into misch

ief. I am going out.‘

Then old Mrs. Rabbit took a basket and h

er umbrella, and went through the wood t

o the baker's. She bought a loaf of brow

n bread and five currant buns.

To move around search: / ? find: f word: b e w line: 0 ^ $ mouse click e

w

b0

/wood

$

current cursorcurrent cursor

^ e

?go

fg

9

'Now, my dears,' said old Mrs.

Rabbit one morning, 'you may go

into the fields or down the lane,

but don't go into Mr. McGregor's

garden: your Father had an

accident there; he was put in

a pie by Mrs. McGregor.‘

'Now run along, and don't get into misch

ief. I am going out.‘

Then old Mrs. Rabbit took a basket and h

er umbrella, and went through the wood t

o the baker's. She bought a loaf of brow

n bread and five currant buns.

vi Commands

To delete x d

x dw dw

2x

3dw

dfgd$

dd

1

2

3

4

5

6

7

8

9

10

11

12

13

:12,13d

10

vi Commands

Addressing absolute : 1,3d relative :.,+1d marked :’a,.d pattern :/for/,/end/d

Addressing absolute : 1,3d relative :.,+1d marked :’a,.d pattern :/for/,/end/d

Marking: mc Marking: mc Register “a2dd “Zp “d2yy

Register “a2dd “Zp “d2yy

Put Text p P “ap

Put Text p P “ap

Replace / Change r R cw s ~

Replace / Change r R cw s ~

Search and Replace :%s/book/note/gc :1,10s/man/woman/

Search and Replace :%s/book/note/gc :1,10s/man/woman/

11

vi Tips

vi *.cvi *.c

:r!cal:r!cal

:%!sort:%!sort

:g/debug/p:g/debug/p

:g/^$/d:g/^$/d

:.,$w tmp.c:.,$w tmp.c

:g/\<if\>/p:g/\<if\>/p

:s/\<./\u&/g:s/\<./\u&/g

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vi Tips

/TBD/;/printf//TBD/;/printf/

:ab Main int main( int argc, char *argv[] ):ab Main int main( int argc, char *argv[] )

:ab teh the:ab teh the

5!!fmt5!!fmt

:map *s ea’^[bi’^[:map *s ea’^[bi’^[

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vi Customization

~/.exrc~/.exrc

set autoindent

set tapstop=4

set softtabstop=4

set shiftwidth=4

set expandtab

set autoindent

set tapstop=4

set softtabstop=4

set shiftwidth=4

set expandtab

14

gvim

Multiple windows, Syntax Highlighting, Mouse Support vim: help user-manul vimtutor 6 Modes

Normal: default, ESC Visual: v, V, Ctr-v Select: dragging mouse with left click Insert: aAiIoO Command-line: ! / ? : Ex mode: gQ, or invoking ex

15

vim : References

Vim Home Page http://www.vim.org/

Vim Tips Wiki http://vim.wikia.com/wiki/Main_Page

Vim Commands Cheat Sheet http://bullium.com/support/vim.html

Wikipedia http://en.wikipedia.org/wiki/Vim_(text_editor)