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Re: print float number


From: lina
Subject: Re: print float number
Date: Thu, 09 Jan 2014 13:56:11 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10

On Wednesday 08,January,2014 01:36 PM, Bob Proulx wrote:
> Hi lina,
> 
> lina wrote:
>> How can I print the 0.05, 0.10 ... 1.0 out, with the step of 0.05
>>
>> Thanks ahead for your suggestions,
> 
> First please do not hijack threads.  You replied to Chris Down's
> message responding to DanielB about "For loop prints two $values
> instead of one" and then changed the subject but your message isn't
> about anything to do with that thread.  If you want to start a new
> thread like you did here please compose a new message.  Please don't
> reply to an existing thread to start a new conversation.

Hi Bob, my fault, I didn't realize this was a wrong way to start a new
conversation, by renaming the Subject and deleted everything inside. How
could they figure out it is from that thread?

> 
> Second is that this is simply a question and not a bug report.
> Questions should go to the address@hidden mailing list.
> 
>> How can I print the 0.05, 0.10 ... 1.0 out, with the step of 0.05
> 
> As to your question there are many ways to solve the problem.  I would
> be inclined to use the GNU seq command.

Very helpful, thanks,
> 
>   $ seq 0.05 0.05 1.0
>   0.05
>   0.10
>   0.15
>   0.20
>   0.25
>   0.30
>   0.35
>   0.40
>   0.45
>   0.50
>   0.55
>   0.60
>   0.65
>   0.70
>   0.75
>   0.80
>   0.85
>   0.90
>   0.95
>   1.00
> 
> However seq is somewhat of a troubled command.  It does math with
> floating point and sometimes suffers from the same problems as
> anything that does compter based floating point math with various
> approximation and rounding errors.  You must be careful concerning it
> or odd errors will occur.
> 
> A related question about for loops in bash is discussed in this FAQ
> entry.  It isn't exactly your case but you might be interested in
> reading about the examples it provides.
> 
>   http://mywiki.wooledge.org/BashFAQ/018
> 
> I doubt just printing out these numbers were really your question.  If
> you wrote a message to address@hidden and described your task in
> more detail there are many people who would be happy to help you use
> bash effectively.
> 
> Bob
> 




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