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 @0xf00ff00f:

Created by: @u_hossein Tweet

541 active golfers, 2339 entries

Solutions by @0xf00ff00f:

27

#96 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:56PM

29

#>188 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:17PM

32

#>264 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:15PM

34

#>284 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 06:58PM

34

#>284 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:04PM

34

#>284 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:09PM

34

#>284 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 07:10PM

41

#>379 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 06:50PM

48

#>436 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 06:44PM

50

#>446 - 0xf00ff00f / @0xf00ff00f

12/13/2022 at 06:43PM