Re: How to setup an external command to indent bash script?

On 4/2/21, 'Grant Taylor' via vim_use <vim_use@googlegroups.com> wrote:
> On 4/2/21 3:52 PM, Peng Yu wrote:
>> I want to use shfmt to indent bash script in vim instead of using the
>> default vim indenter. Could anybody show me how to set this up in vim?
>
> I would play with the formatprg setting.
>
> :help formatprg
>
>> shfmt -l -w script.sh
>
> Based on my read of the help section, it looks like formatprg expects to
> read STDIN and write to STDOUT. So you might need some sort of wrapper
> to read Vim's STDOUT to a file, shfmt said file, then write said file
> back to Vim's STDIN.

It can take the file from STDIN in this way. The output is to STDOUT.

shfmt /dev/stdin < script.sh

Could you show me the commands (that can be put in ~/.vimrc) to set
formatprg to `shfmt /dev/stdin` just for a file when it is determined
as a bash script? I don't want to mess it up for other file types.

>
> But I suspect that this is eminently doable.
>
>
>
> --
> Grant. . . .
> unix || die
>
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--
Regards,
Peng

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