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 @fengc:

Unlock 6 remaining solutions by signing in and submitting your own entry
Created by: @u_hossein

540 active golfers, 2338 entries

Solutions by @fengc:
26
#46 - fengc / @fengc

06/14/2023 at 06:58AM

27
#>103 - fengc / @fengc

06/14/2023 at 06:35AM

28
#>147 - fengc / @fengc

06/14/2023 at 06:21AM

30
#>224 - fengc / @fengc

06/14/2023 at 06:18AM

31
#>254 - fengc / @fengc

06/14/2023 at 06:14AM

32
#>264 - fengc / @fengc

06/14/2023 at 06:07AM