Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 9v006233d72d000000000219

Fix the shell script!

Fix the shell script with the fewest keystrokes!

Start file

#!/bin/bash
a = 5
b = 10
sum = $a + $b
echo $sum

mul = $a * $b
echo $mul

End file

#!/bin/bash
a=5
b=10
sum=$((a + b))
echo $sum

mul=$((a * b))
echo $mul

View Diff

2,4c2,4
< a = 5
< b = 10
< sum = $a + $b
---
> a=5
> b=10
> sum=$((a + b))
7c7
< mul = $a * $b
---
> mul=$((a * b))

Solutions

The best way to learn is to practice. Below, you will find some of the solutions other golfers have entered. To unlock higher ranked solutions, submit your own entry which does as well or better than the solutions you can currently see - climb the ladder!

Check out these helpful resources to improve your Vim skills... Game on.

jjkkjjkkjo<Esc>dujkkjuujjkjjjjk:s<BS>ss<BS><BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>%s/s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>=<BS> = =<BS>/s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>=/g<CR>:4,7s<BS>s<BS>s<BS>s/s<BS>s<BS>s<BS>s<BS>s<BS>s<BS>$a/s<BS>s<BS>((<BS><BS>\<BS>((/g<BS><BS>a/g<CR>:<Up><Left><Left><Left><Left><Left><Left><BS>b<Right><Right><Right><Right><Right><Right><Left><Left><Left><BS><BS><Right><BS>b))<CR>:.<BS>s<BS>s<BS><Up><Left><Right><BS><BS><BS><BS><BS><BS><BS><BS><BS><BS>s<BS>s<BS>s/((<BS>/<BS>/<BS><BS>/<BS>(<Left>\<Right>/<BS><BS><BS>(/<BS>(/$((/g<CR>qq<Esc><0xef><0xbc><0x9a><0xef><0xbc><0x9a><Esc>sk<Esc>ukjZZ

Created by: @u_hossein Tweet

603 active golfers, 2596 entries

Leaderboard (lowest score wins):

200

#601 - Miguel Alcaraz / @dr_miguelar

01/23/2023 at 10:11PM

214

#602 - 徐坤 蔡 / @xukunca10413866

05/21/2022 at 03:54AM

246

#603 - 陈石峰 / @lazycode1226

10/10/2022 at 06:45AM