How to comment a block of code in Vim?
When debugging you often want to comment or uncomment several lines of code. I (finally) figured out how to do this with vim. In Ruby everything after # is a comment. For example, suppose the cursor is on print on the first line under the while and I want to comment it and the 6 following lines.
How to comment out multiple lines at once in Vim editor?
Open the file in vim editor. $ vim ostechnix.txt. Set line numbers: :set number. Then, type the following command to comment out the lines. :1,4s/^/# /. The above command will comment out lines from 1 to 4. Comment out multiple lines in vim. Finally, unset the line numbers by typing the following.
What do the commands do in Vim editor?
VIM Editor Commands Vim is an editor to create or edit a text file. There are two modes in vim. One is the command mode and another is the insert mode. In the command mode, user can move around the file, delete text, etc. In the insert mode, user can insert text.
What can you do with visual mode in Vim?
When editing text with Vim, visual mode can be extremely useful for identifying chunks of text to be manipulated. Vim’s visual mode has three versions: character, line, and block. The keystrokes to enter each mode are: Here are some ways to use each mode to simplify your work.
What are some commands you can use in Vim?
Some useful commands for VIM Text Entry Commands(Used to start text entry) aAppend text following current cursor position AAppend text to the end of current line iInsert text before the current cursor position IInsert text at the beginning of the cursor line
How do you insert lines in a Vim file?
Press Ctrl+V to enter into ‘Visual block’ mode and press DOWN arrow to select all the lines in your file. Select lines in Vim Then, press Shift+i to enter INSERT mode (this will place your cursor on the first line). Press Shift+3 which will insert ‘#’ before your first line.