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From: Helmut Karlowski <helmut.karlowski@ish.de>
To: cygwin@cygwin.com
Cc: cygwin@cygwin.com
Subject: Re: cmp (or echo) bug?
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Date: Sun, 27 Dec 2015 18:23:38 +0100
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---------------------------------------------------
> Hi,
> 
> David Balažic <xerces9 <at> gmail.com> writes:
> 
> > In Cygwin terminal (bash) I typed:
> > 
> > cmp  <(echo echo1)  <(echo echo2)
> 
> I suspect its a bash bug since it works fine with zsh (tested 64bit only).

zsh uses temp-files for process-substitution, while bash seems to use 
pipes which are not very good seekable. That might cause the 
difference. It only works in zsh and no other shell because of that.

Diff instead of cmp works also in bash btw.

-Helmut


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