Which of the following would delete an entire word in vi?
Deleting Characters Within a Line Use the command “dw” to delete from the cursor position to the end of the word; to delete an entire word, place the cursor on the first character of the word and enter “dw”. Use the “D” command to erase all text from the current cursor position to the end of the line.
How do I delete specific words in vi?
To delete a word, position the cursor at the beginning of the word and type dw . The word and the space it occupied are removed. To delete part of a word, position the cursor on the word to the right of the part to be saved. Type dw to delete the rest of the word.
How to delete all lines not matching a pattern in Vim?
To delete all lines in a vim not matching a given pattern you can use one of these two commands: Both of these commands delete all lines not contain the simple pattern “foo”. Hopefully the first command is fairly easy to remember, as the ! operator is often used to negate the meaning of a command in many Unix tools and languages.
How to delete all text before or after highlighted search pattern?
This executes normal mode commands on all lines that match the last search pattern. The commands are gn to select the match, d to delete it, 0P to paste it at the beginning of the line, l to move to the left (after the text that was just pasted) and D to delete until the end of the line.
How to delete all lines containing a string in VI?
If I wanted to delete all lines except those that contained a particular string, I could put an exclamation mark after the g command. The exclamation mark signifies a “logical NOT” operation, i.e., negation. E.g., to delete all lines not containing “dog”, I could use the command below.
When do I find this pattern, delete the line?
The forward slash characters enclose the pattern I’m trying to match. In this case it’s a very simple sequence of characters, but it can also be a more complicated regular expression. The d at the end of the command says “When you find this pattern, delete the line”.