Ken Takata wrote:
> When process substitution (e.g. "<(cmd)") is used on bash (or zsh), file
> encoding detection doesn't work, and an empty buffer is opened.
> E.g.:
>
> $ vim -u NONE --cmd "set fencs=cp932,utf-8" <(echo テスト)
> # Assuming the system encoding is utf-8.
>
> Vim will be executed with the command line like:
>
> $ vim -u NONE --cmd "set fencs=cp932,utf-8" /dev/fd/63
>
> "/dev/fd/63" is a fifo and it is not seekable.
> The echoed string "テスト" (utf-8) cannot be converted from cp932 to utf-8, so
> Vim retries with utf-8, but it fails because the input is not seekable.
>
> However reading from stdin can detect the encoding. E.g.:
>
> $ echo テスト | vim -u NONE --cmd "set fencs=cp932,utf-8" -
>
> I think file encoding detection should also work with process substitution.
> Attached patch fixes the problem.
Thanks. It would be good to have a test for this. The encoding
detection is important, but I don't think there is a test for it.
Reading from stdin and fifo require starting Vim. Test49 does this, it
just uses ../vim for that. That doesn't work on Windows though. But
the fifo won't work on Windows either.
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