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Date: Mon, 13 Jun 2005 13:46:46 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Shankar Unni <shankarunni AT netscape DOT net>
cc: cygwin AT cygwin DOT com
Subject: Re: Making /bin/sh == bash.  Has the time come?
In-Reply-To: <d8d7r1$ih6$1@sea.gmane.org>
Message-ID: <Pine.GSO.4.61.0506131345180.19743@slinky.cs.nyu.edu>
References: <20050610150729 DOT GA13181 AT trixie DOT casa DOT cgf DOT cx> <d8d7r1$ih6$1 AT sea DOT gmane DOT org>
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On Fri, 10 Jun 2005, Shankar Unni wrote:

> Christopher Faylor wrote:
>
> > So, in conversation with Corinna, I think that we're starting to lean
> > towards making /bin/sh == bash sometime soon.
>
> Excellent idea. And it even seems to handle the automatic switch to
> POSIX mode correctly when called "sh.exe".
>
> Talking of which, how good is "pdksh" these days?
>
> Using your "exec-expr-in-a-loop" microbenchmark (without the builtin),
> it seems to be nearly as fast as "ash" (within a few percent), and
> almost 1.5x as fast as bash (I got 20, 23 and 38 seconds for ash, pdksh
> and bash respectively). And for the "builtin" (using $((i+1))) loop,
> it's still nearly 4x as fast as bash (0.06 vs 0.23 seconds, or 0.25 vs
> 1.1 seconds for 10000 iterations).
>
> Is it stable enough (and well-enough maintained) to be considered for
> being "the shell"?

And just to clear up any confusion: pdksh *is* maintained (by me), and
it's been so stable that I hadn't had to do much with it except repackage
for the FHS change.
	Igor
-- 
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