What's the most elegant way of commenting / uncommenting blocks of ruby code in Vim?

Question

In VIM, at the moment when I need to comment out a section of Ruby code:

• I navigate to the first column in the row I want to comment out
• I press CTRL-v t

Answer 1

I do almost the same thing as you.

commenting:

• visual block select with CTRL-V then I# (insert # in the begining)

uncommenting:

• visual block select with CTRL-V then X (delete the first symbol on the line)

Please note uppercase I and X.

Answer 2

Try T-comment with Ruby block.

I have T-comment mapped to //.

" Easy commenting
nnoremap // :TComment<CR>
vnoremap // :TComment<CR>

This allows, from anywhere in a Ruby block, to comment it out with:

var  (visual around Ruby)
//   (toggle comments)

Note that Ruby blocks has a couple of plugin dependencies that need installing, see my Vimfiles for an example.

Answer 3

Some people seem to like Nerd Commenter

Answer 4

I will recommend you an alternative way to comment using by Macro

The first, just put this in to your .vimrc

let @c="I#\ej"
let @u="^xj"

For the example

To comment 12 lines:

1. Navigate to the first row that you want to start your comment.
2. Type 12@c on command mode to comment 12 lines

To uncomment 12 lines:

1. Navigate to the first row that you want to uncomment.
2. Type 12@u on command mode to uncomment 12 lines

The conclusion

Commenting:

[quantifier]@c 

Uncommenting:

[quantifier]@u

note: These commands will start commenting/uncommenting from your current line.

Additional:

To improve you nevigation number.vim can help you a lot about quantifier number.

https://github.com/myusuf3/numbers.vim

Answer 5

You can also do this:

• Move to the first line to comment out
• press 'ESC' then
• Hit Ctrl + q to enter Visual Block mode
• Move done to the last line to comment out
• Hit I, comment out by pressing #
• Hit ESC

And to uncomment:

• Move to the first # of comment
• Hit Ctrl + q to enter Visual Block mode
• Move done to the last line to comment out
• Hit d to remove the comment characters

Answer 6

Have you tried out EnhCommentify.vim or tComment.vim?