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 @jovyn_:

Unlock 4 remaining solutions by signing in and submitting your own entry
Created by: @u_hossein

589 active golfers, 2544 entries

Solutions by @jovyn_:
28
#135 - jovyn / @jovyn_

05/05/2022 at 03:16PM

29
#>185 - jovyn / @jovyn_

05/05/2022 at 03:29AM

30
#>222 - jovyn / @jovyn_

05/04/2022 at 05:53PM

31
#>256 - jovyn / @jovyn_

05/04/2022 at 05:32PM