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X-Authentication-Warning:	slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date:	Fri, 11 Apr 2003 13:21:28 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	Stepan Yakovenko <yakovenko AT ngs DOT ru>
cc:	cygwin AT cygwin DOT com
Subject:	Re: bash and real arithmetic
In-Reply-To:	<32202909248.20030412000235@ngs.ru>
Message-ID:	<Pine.GSO.4.44.0304111309040.26381-100000@slinky.cs.nyu.edu>
Importance:	Normal
MIME-Version:	1.0

On Sat, 12 Apr 2003, Stepan Yakovenko wrote:

> HI!
>
>   Is it possible to get for loops working
>   in double arithmetic in bash ? I've got to run
>   a program with a real argument many times, changing it
>   every run by some fixed small (<1) number.
>
>   Tanx in advance, sorry for my broken English.

Umm, scale?  For example:

   for (( i=0; i < 10; i++ )); do echo 0.$i; done

You could also try using something like awk for driving the loop:

   awk 'BEGIN {for (i=0; i < 1; i+=0.1) system("echo " i)}' < /dev/null

Hope this helps,
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Knowledge is an unending adventure at the edge of uncertainty.
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