Hi,
On Tue, Jul 27, 2021 at 1:24 PM lacygoill <[email protected]> wrote:
> *Describe the bug*
>
> In Vim9 script, we cannot use system() to start an external process,
> without the optional argument {input}.
>
> *To Reproduce*
>
> Run this shell command:
>
> vim -Nu NONE +'vim9 system(":")'
>
> E1224 is given:
>
> E1224: String or List required for argument 2
>
> *Expected behavior*
>
> No error is given, because we didn't pass the 2nd optional argument.
>
> *Environment*
>
> - Vim version: 8.2 Included patches: 1-3229
> - OS: Ubuntu 20.04.2 LTS
> - Terminal: XTerm(353)
>
> *Additional context*
>
> Regression introduced in 8.2.3229.
> ------------------------------
>
> Same issue with systemlist():
>
> vim9scriptsystemlist(':')
>
> E1224: String or List required for argument 2
>
> ------------------------------
>
> cc @yegappan <https://github.com/yegappan> via #8646
> <https://github.com/vim/vim/pull/8646>
>
>
>
Thanks for reporting the issue. I have created PR #8651 with
a fix for this. Let me know if you see any other issues with other
functions.
- Yegappan
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