The following patch adds support for the special case
2>&1 to redirect stderr output to the stdout output
channel on a command pipe. This affects open and exec.
This simplifies the current issue where you have to
have another process involved to capture both stdout
and stderr reliably.
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fixed up patch to remove fprintf info I left in (oops).
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I've changed it to 2>@1 to be more 'fileid' like and ensure
that you only try to use it at the end of the command string.
patch against 8.4-branch 2004-05-27
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here's the final patch against HEAD of July 2, 2004 with a
test and doc change. This has been commited.
final patch against head 2004-07-02