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lysender/til-vim-bulk-comment.md

Created October 14, 2023 08:25
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TIL - vim - bulk comment
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til-vim-bulk-comment.md

Visual Block Mode

Add/remove comment using the visual block mode.

  • First, move the cursor to the first char of the first line in block code you want to comment, then type Ctrl + v.
  • Then vim will go into VISUAL BLOCK mode.
  • Use j to move the cursor down until you reach the last line of your code block. Then type: Shift + i
  • Now vim goes to INSERT mode and the cursor is at the first char of the first line. Finally, type # or the comment character of your language then ESC and the code block is now commented.

Note that at first sight, the editing does not seem to differ from changing a single line. The changes will only be applied to the whole block after hitting ESC.

To uncomment, do the same things but instead of type Shift + i, you just type x to remove all # after highlight them in VISUAL BLOCK mode.

Based on this guide:

https://unix.stackexchange.com/questions/120615/how-to-comment-multiple-lines-at-once

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