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Re: (Revisited): zsh + less == hard hang of tty.

Good call.

There was one env variable set - LESSOPEN.
It was set to: |/usr/bin/lesspipe.sh %s

As soon as I did 'unset LESSOPEN', less ceased to hang.

I apologize if this is falling too far out of the jurisdiction
of zsh development, but I can't reproduce the problem in any other

I swear, I'll get strace output soon.

- Larry

On Tue, Sep 26, 2006 at 10:15:24PM +0400, Andrey Borzenkov wrote:
> Hash: SHA1
> On Tuesday 26 September 2006 21:50, Peter Stephenson wrote:
> > "Larry P. Schrof" wrote:
> > > - When I get a Linux tty to hang by doing this, log in on another tty,
> > >   and kill the *less* process, it terminates, and any I/O that was in
> > >   the buffer (from my extra keystrokes while less was hung) get
> > >   interpreted by the shell. zsh becomes responsive again.
> >
> > Sounds from this you may need to run strace on the less inside
> > the zsh -c (or just do it interactively), since zsh appears to be
> > just blithely waiting.  We'll probably find less is trying to
> > grab the terminal and failing, or something like that... quite
> > what we do if that's the case, I'm not sure.
> I have been running the same versions for quite some time without any problem 
> (nor do I now have problem with zsh CVS).  One thing to check is what 
> LESSPIPE (or other LESSxxxx) environments set to and try with all of them 
> unset first.
> The only other thing that comes in mind is some weird interaction with job 
> control. 
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