CJL-INFO SYSTEMES ET RESEAUX INFORMATIQUES


Commande de L'éditeur de texte est un outil de base sous Linux « VI »

 

General Startup

 

            To use vi: vi filename

            To exit vi and save changes     : ZZ   or  :wq

            To exit vi without saving changes     : :q!

            To enter vi command mode     : [esc]

 

 

Counts

        A number preceding any vi command tells vi to repeat

            that command that many times.

 

 

 

 

 

Cursor Movement

 

            h       move left (backspace)

 

            j       move down

 

            k       move up

 

            l       move right (spacebar)

 

            [return]   move to the beginning of the next line

 

            $       last column on the current line

 

            0       move cursor to the first column on the

                        current line

 

            ^       move cursor to first nonblank column on the

                        current line

 

            w       move to the beginning of the next word or

                        punctuation mark

 

            W       move past the next space

 

            b       move to the beginning of the previous word

                        or punctuation mark

 

            B       move to the beginning of the previous word,

                        ignores punctuation

 

        e       end of next word or punctuation mark

 

        E       end of next word, ignoring punctuation

 

        H       move cursor to the top of the screen

 

        M       move cursor to the middle of the screen

 

        L       move cursor to the bottom of the screen

 

 

 

 

 

Screen Movement

 

       G        move to the last line in the file

 

       xG       move to line x

 

       z+       move current line to top of screen

 

       z        move current line to the middle of screen

 

       z-       move current line to the bottom of screen

 

       ^F       move forward one screen

 

       ^B       move backward one line

 

       ^D       move forward one half screen

 

       ^U       move backward one half screen

 

       ^R       redraw screen

                        ( does not work with VT100 type terminals )

 

       ^L       redraw screen

                        ( does not work with Televideo terminals )

 

 

 

 

 

Inserting

 

       r        replace character under cursor with next

                        character typed

 

       R        keep replacing character until [esc] is hit

 

       i        insert before cursor

 

       a        append after cursor

 

       A        append at end of line

 

       O        open line above cursor and enter append mode

 

 

 

 

 

Deleting

 

            x       delete character under cursor

 

            dd      delete line under cursor

 

        dw      delete word under cursor

 

        db      delete word before cursor

 

 

 

 

 

Copying Code

 

        yy      (yank)'copies' line which may then be put by

                        the p(put) command. Precede with a count for

                        multiple lines.

 

 

 

 

 

Put Command

        brings back previous deletion or yank of lines,

            words, or characters

 

        P       bring back before cursor

 

        p       bring back after cursor

 

 

 

 

 Find Commands

 

            ?       finds a word going backwards

 

            /       finds a word going forwards

 

        f       finds a character on the line under the

                        cursor going forward

 

        F       finds a character on the line under the

                        cursor going backwards

 

        t       find a character on the current line going

                        forward and stop one character before it

 

            T       find a character on the current line going

                        backward and stop one character before it

 

            ;           repeat last f, F, t, T

 

 

 

 

 

Miscellaneous Commands

 

            .           repeat last command

 

            u         undoes last command issued

 

            U         undoes all commands on one line

 

            xp        deletes first character and inserts after

                        second (swap)

 

            J          join current line with the next line

 

            ^G       display current line number

 

            %        if at one parenthesis, will jump to its mate

 

            mx       mark current line with character x

 

            'x         find line marked with character x

 

            NOTE: Marks are internal and not written to the file.

 

 

 

 

 

Line Editor Mode

 

            Any commands form the line editor ex can be issued

            upon entering line mode.

 

            To enter: type ':'

 

            To exit: press[return] or [esc]

 

 

 

 

 

ex Commands

           

            For a complete list consult the

            UNIX Programmer's Manual

 

 

 

 

 

READING FILES

 

            copies (reads) filename after cursor in file

            currently editing

 

            :r filename

 

 

 

 

 

WRITE FILE

 

            :w        saves the current file without quitting

 

 

 

 

 

MOVING

 

            :#         move to line #

 

            :$         move to last line of file

 

 

 

 

 

SHELL ESCAPE

 

            executes 'cmd' as a shell command.

 

            :!'cmd'