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Subject:	Re: #!/bin/sh and #!/bin/bash is not the same
To:	cygwin AT cygwin DOT com
References:	<CA+7cx1oHkwK8vOV+2heYAhw=DhkrRfEvkbaj2pmH+x29ZP0T7Q AT mail DOT gmail DOT com> <fd1a102b-9df8-24b7-8440-9842b614fc6c AT gmail DOT com> <CA+7cx1p8ntAQriaYPJyBLcEu7sHPixs3sYUydx8XMZqQ20mL1g AT mail DOT gmail DOT com>
From:	cyg Simple <cygsimple AT gmail DOT com>
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Date:	Mon, 22 Aug 2016 14:51:09 -0400
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Please do not TOP POST.

On 8/22/2016 10:36 AM, Morten Kjærulff wrote:
> Thanks.
> 
> What I was actually trying, was this:
> 
> echo a | while read ; do
>   some_command &
> done
> wait
> 
> The "wait" did not wait. I guessed the reason was that "some_command
> &" was executed in a subshell.
> 
> So I tried:
> 
> while read ; do
>   some_command &
> done < <(echo a)
> wait
> 
> It was working, however not with #!/bin/sh
> 

What does ``/bin/sh --version'' print?

The wait command is a shell internal command, there is no external
equivalent. If you /bin/sh is bash then perhaps you've found a bug in
the emulation of /bin/sh in bash.  Bash takes a different code path when
named sh.

-- 
cyg Simple

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