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Re: problem with redir test
From: |
Vladimir Marek |
Subject: |
Re: problem with redir test |
Date: |
Fri, 2 Dec 2016 10:09:20 +0000 |
User-agent: |
Mutt/1.5.22.1-rc1 (2013-10-16) |
> > during testing of latest bash on Solaris I found strange behavior. We
> > run the tests with clear environment (env -). It seems to be caused by
> > undefined SHELL variable. The test reported
> >
> > 150,151c150,151
> > < ./redir11.sub: line 26: echo: write error: Bad file number
> > < ./redir11.sub: line 27: echo: write error: Bad file number
> > ---
> >> ./redir11.sub: line 26: $(a=4 foo): Bad file number
> >> ./redir11.sub: line 27: $(a=4 foo): Bad file number
>
> I can't reproduce this. The key is that redir11.sub inherits file
> descriptor 3 as an fd open for read on /etc/passwd, and echo gets a
> write error when trying to write to it. This might also be affected
> by SHELLOPTS setting posix mode, but I can't reproduce it even when
> setting SHELLOPTS=posix in the environment.
>
> It's also hard to see why starting bash without SHELL in the environment
> sould make such a difference, since bash sets SHELL to the current user's
> login shell, as found via getpwent.
Thank you for looking into this, I'll try to find out more.
--
Vlad