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

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#607 陈石峰 / @lazycode1226 - Score: 246 - 10/10/22 @ 06:45 
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

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Created by: @u_hossein

607 active golfers, 2606 entries

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#601 - Briel Santana / @briel_santana

06/02/2022 at 11:53AM

153
#602 - 💻:~/Karl_Webster / @KTW727

09/08/2022 at 07:39AM

175
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05/06/2022 at 12:08PM

187
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03/20/2022 at 11:28AM

200
#605 - Miguel Alcaraz / @dr_miguelar

01/23/2023 at 10:11PM

214
#606 - 徐坤 蔡 / @xukunca10413866

05/21/2022 at 03:54AM

246
#607 - 陈石峰 / @lazycode1226

10/10/2022 at 06:45AM