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Learning the vi editor Print version 3

Sử dụng các phương pháp trong phần trước. 2. Nhấn , sau đó nhập vào nhảy fox nhanh chóng qua chú chó bình thường. 3. Nhấn , sau đó nhấn cho đến khi con trỏ là ở chữ "e" của "con cáo". Nhấn , và sau đó gõ "nâu". 4. Nhấn , sau đó nhấn cho đến khi con trỏ là ở chữ "d". Nhấn , và sau đó gõ "lười biếng". | Learning the vi editor Print version - Wikibooks http en.wikibooks.org w index.php title Learning_the. To next matching or . 6.2.3 Operators The previously listed objects can be used as arguments to operators. If no operator is given the default move operator is used. The number of operators in vi is surprisingly small - ten in total. Here is a list of the operators needs better descriptions a few of them are separately described later in this module 6.2.3.1 Operators taking Objects c change - change the addressed objects. In fact the text is replaced by what is typed in. d delete - delete the addressed objects. The deleted text is placed in the undo buffer. y yank - copy the text of the addressed objects into the buffer. shift left - object arguments can only be objects which address lines Indenting and Shifting. shift right - object arguments can only be objects which address lines Indenting and Shifting. bang filter-through - filter lines through an external program. Objects can only be objects addressing lines Filtering stub . 6.2.3.2 Operators not taking Objects r s x Delete character. Use the d operator for deleting other objects than characters. Flip case of character at cursor position. An uppercase letter becomes its lowercase equivalent and a lowercase letter becomes its uppercase equivalent. 6.2.3.3 Special Operator Forms There are two special forms when typing an operator 1. Typing the character in upper-case instead of lower-case. E.g. Y instead of y and 2. doubling the character. E.g. yy instead of y. 21 von 82 01.11.2006 17 15 Learning the vi editor Print version - Wikibooks http en.wikibooks.org w index.php title Learning_the. 6.3 Strange lines on the screen vi was written at a time when terminal or modem connections were slow. Therefor vi used several optimisation techniques to limit the need for redrawing the whole screen. In such cases vi used to display lines beginning with a special marker. Modern vi s seldom have the need for such performance