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 by @dcheed_:

Created by: @u_hossein Tweet

541 active golfers, 2339 entries

Solutions by @dcheed_:

27

#97 - DW Luna / @dcheed_

12/21/2022 at 01:59PM

28

#>140 - DW Luna / @dcheed_

12/21/2022 at 04:24AM

29

#>188 - DW Luna / @dcheed_

12/21/2022 at 04:11AM

30

#>223 - DW Luna / @dcheed_

12/21/2022 at 04:07AM

31

#>254 - DW Luna / @dcheed_

12/21/2022 at 04:04AM

32

#>264 - DW Luna / @dcheed_

12/21/2022 at 04:02AM

34

#>284 - DW Luna / @dcheed_

12/21/2022 at 03:59AM

38

#>350 - DW Luna / @dcheed_

12/21/2022 at 03:51AM

51

#>451 - DW Luna / @dcheed_

12/21/2022 at 03:48AM

57

#>474 - DW Luna / @dcheed_

12/21/2022 at 03:44AM