Real Vim ninjas count every keystroke - do you?

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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 @paulsmolloy:

Unlock 11 remaining solutions by signing in and submitting your own entry
Created by: @u_hossein

540 active golfers, 2338 entries

Solutions by @paulsmolloy:
26
#49 - Paul Molloy / @paulsmolloy

10/20/2023 at 03:12PM

26
#>49 - Paul Molloy / @paulsmolloy

10/20/2023 at 03:12PM

27
#>110 - Paul Molloy / @paulsmolloy

10/20/2023 at 03:10PM

28
#>149 - Paul Molloy / @paulsmolloy

10/20/2023 at 03:06PM

29
#>204 - Paul Molloy / @paulsmolloy

10/20/2023 at 03:02PM

30
#>227 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:58PM

31
#>254 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:55PM

33
#>277 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:33PM

33
#>277 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:52PM

34
#>288 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:29PM

35
#>314 - Paul Molloy / @paulsmolloy

10/19/2023 at 07:25PM