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 @NippyPtarmigan:

Created by: @u_hossein Tweet

475 active golfers, 1973 entries

Solutions by @NippyPtarmigan:

26

#13 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 10:24AM

27

#>57 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 10:20AM

28

#>109 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 10:16AM

31

#>204 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:58AM

31

#>204 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 10:13AM

32

#>224 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:57AM

33

#>231 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:54AM

34

#>240 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:53AM

35

#>253 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:47AM

46

#>361 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:18AM

48

#>374 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:18AM

50

#>381 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 09:14AM

53

#>397 - NippyPtarmigan 💙 / @NippyPtarmigan

04/05/2022 at 04:58AM