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 @RatkovszkiIstvn:

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

565 active golfers, 2425 entries

Solutions by @RatkovszkiIstvn:
35
#313 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 01:19PM

40
#>378 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 01:17PM

43
#>411 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 12:55PM

46
#>439 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 01:14PM

49
#>458 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 12:52PM

58
#>496 - Ratkovszki István / @RatkovszkiIstvn

09/05/2022 at 12:50PM