From: cyg Simple <cygsimple@gmail.com>
To: cygwin@cygwin.com
Subject: Re: #!/bin/sh and #!/bin/bash is not the same
Date: Tue, 23 Aug 2016 22:19:00 -0000 [thread overview]
Message-ID: <fdfeefd7-50fb-d6b6-4e68-a20a221118df@gmail.com> (raw)
In-Reply-To: <CA+7cx1p88=wQC=HTcYp8kgX4FFn=Z86Fa5bZDceh0u4TPYx5gg@mail.gmail.com>
On 8/22/2016 3:31 PM, Morten Kjærulff wrote:
>
> This:
>
> date
> echo a | while read ; do
> sleep 3 &
> done
> wait
> date
>
> will run in 0 seconds, with BOTH /bin/sh and /bin/bash
>
> This:
>
> date
> while read ; do
> sleep 3 &
> done < <(echo a)
> wait
> date
>
> will run in 3 seconds with /bin/bash and get syntax errors with /bin/sh:
> syntax error near unexpected token `<'
> `done < <(echo a)'
>
See
http://stackoverflow.com/questions/12120598/syntax-error-in-shell-script-with-process-substitution
for the answer to your quandary.
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prev parent reply other threads:[~2016-08-23 17:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-20 21:32 Morten Kjærulff
2016-08-20 21:54 ` Hans-Bernhard Bröker
2016-08-22 13:54 ` cyg Simple
2016-08-22 16:04 ` Morten Kjærulff
2016-08-22 20:50 ` cyg Simple
2016-08-22 23:13 ` Morten Kjærulff
2016-08-23 22:19 ` cyg Simple [this message]
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