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Date: Tue, 03 Aug 2010 06:00:04 +0300
From: Eli Zaretskii <eliz AT gnu DOT org>
Subject: Re: May be redir or bash genertes "Cannot duplicate fd 0: Bad file descriptor (EBADF)" error
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To: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
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> From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
> Date: Mon, 2 Aug 2010 22:03:28 +0200
> 
> Almost all testcases that fail produces diff files that contains lines like this:
> + c:/TMP/dj720000: line 1: Cannot duplicate fd 0: Bad file descriptor (EBADF)

fd 0 is standard input.  Since you don't redirect stdin in the
examples you have shown, that must be some bug somewhere.  Probably in
Bash, but even with that hypothesis I still don't see why Bash would
need to redirect stdin.  Do you?