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 @_AlexLewin:

Unlock 15 remaining solutions by signing in and submitting your own entry
Created by: @u_hossein

541 active golfers, 2339 entries

Solutions by @_AlexLewin:
26
#35 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:47PM

27
#>91 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:46PM

28
#>138 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:45PM

29
#>186 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:44PM

30
#>219 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:42PM

31
#>253 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:37PM

31
#>253 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:41PM

31
#>253 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:45PM

33
#>274 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:36PM

35
#>305 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:29PM

35
#>305 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:32PM

35
#>305 - Alex Lewin / @_AlexLewin

09/19/2022 at 05:35PM

36
#>332 - Alex Lewin / @_AlexLewin

02/17/2023 at 05:54AM

38
#>350 - Alex Lewin / @_AlexLewin

02/17/2023 at 05:49AM

44
#>407 - Alex Lewin / @_AlexLewin

02/17/2023 at 05:48AM