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Message-ID:	<00c301c5078b$07215240$f968dc54@I2.COM>
From:	"Paolo Gesmundo" <paolo DOT gesmundo AT tiscali DOT it>
To:	<cygwin AT cygwin DOT com>
References:	<00b201c50767$a507e0b0$f968dc54 AT I2 DOT COM> <41FDEE90 DOT 54847D1A AT dessent DOT net>
Subject:	Re: Unable to properly execute a let statement from a shell script
Date:	Mon, 31 Jan 2005 12:50:14 +0100
MIME-Version:	1.0
X-IsSubscribed:	yes

Thanks for the responses.

So, in cygwin for Win XP, is it possible to set my environment in such a way 
that the default shell
is bash?

Thanks
Paolo

----- Original Message ----- 
From: "Brian Dessent" <brian AT dessent DOT net>
To: <cygwin AT cygwin DOT com>
Sent: Monday, January 31, 2005 9:38 AM
Subject: Re: Unable to properly execute a let statement from a shell script


> Paolo Gesmundo wrote:
>
>> I know that I could modify a.sh by adding #!/bin/bash
>> at the top of the file but I would need to avoid this
>> otherwise I have to modify too many scripts
>>
>> Is there a way to run a.sh like in Case 1 and get the
>> proper result like in Case 2?
>
> It sounds like your scripts are banking on the assumption that under
> linux, sh=bash, whereas on Cygwin sh=ash.  So, you can't get away with
> using bash-isms in scripts without shebangs because you are relying on a
> specific quirk of linux.  If you require bash-specific features you need
> to either call bash explicitly in the shebang or exec the script from
> bash.  Otherwise your script is not going to be portable on any system
> other than linux.  bash != sh.
>
> Brian
>
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