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Date: Tue, 09 Jun 2009 10:19:07 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject: Re: Why sh failed 'Process Substitution'?
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Pan ruochen wrote:
> Hi All,
> Why sh failed to recognize Process Substitution, even if /bin/sh.exe
> is a copy of /bin/bash.exe?
> $cat test.sh
> #!/bin/bash
> A="A"
> B="B"
> diff <(echo $A) <(echo $B)
> $sh test.sh
> a.sh: line 4: syntax error near unexpected token `('
> a.sh: line 4: `diff <(echo $A) <(echo $B)'

  See the section "6.11 Bash POSIX Mode" in the bash info page, item 22:

>" 22. Process substitution is not available. "

    cheers,
      DaveK

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