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 @JacobGelbman:

Unlock 12 remaining solutions by signing in and submitting your own entry
Created by: @u_hossein

566 active golfers, 2428 entries

Solutions by @JacobGelbman:
26
#27 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:25PM

27
#>86 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:23PM

28
#>135 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:21PM

29
#>184 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:18PM

30
#>220 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:16PM

31
#>253 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:14PM

32
#>270 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:12PM

35
#>309 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:09PM

36
#>338 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:04PM

44
#>419 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:03PM

53
#>479 - jcbglbmn / @JacobGelbman

05/20/2022 at 08:01PM

61
#>501 - jcbglbmn / @JacobGelbman

05/20/2022 at 07:58PM