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 @BigWangTheory1:

Created by: @u_hossein Tweet

569 active golfers, 2431 entries

Solutions by @BigWangTheory1:

26

#42 - David W. / @BigWangTheory1

12/03/2022 at 07:11PM

27

#>96 - David W. / @BigWangTheory1

12/03/2022 at 07:03PM

28

#>146 - David W. / @BigWangTheory1

12/03/2022 at 06:57PM

28

#>146 - David W. / @BigWangTheory1

12/03/2022 at 07:02PM

29

#>193 - David W. / @BigWangTheory1

12/03/2022 at 06:05PM

30

#>229 - David W. / @BigWangTheory1

12/03/2022 at 06:03PM

30

#>229 - David W. / @BigWangTheory1

12/03/2022 at 06:04PM

31

#>261 - David W. / @BigWangTheory1

12/03/2022 at 06:01PM

33

#>284 - David W. / @BigWangTheory1

12/03/2022 at 05:47AM

40

#>382 - David W. / @BigWangTheory1

12/03/2022 at 05:45AM

43

#>415 - David W. / @BigWangTheory1

12/03/2022 at 05:42AM

44

#>425 - David W. / @BigWangTheory1

12/03/2022 at 05:39AM

45

#>431 - David W. / @BigWangTheory1

12/03/2022 at 05:30AM

46

#>442 - David W. / @BigWangTheory1

12/03/2022 at 05:26AM

50

#>467 - David W. / @BigWangTheory1

12/03/2022 at 05:21AM

57

#>495 - David W. / @BigWangTheory1

12/03/2022 at 05:14AM

62

#>508 - David W. / @BigWangTheory1

12/03/2022 at 04:55AM

64

#>512 - David W. / @BigWangTheory1

12/03/2022 at 05:09AM

78

#>536 - David W. / @BigWangTheory1

12/03/2022 at 04:51AM

80

#>537 - David W. / @BigWangTheory1

12/03/2022 at 05:01AM