From: w_a_x_man <w_a_x_man@...>
Date: 2010-11-05T15:56:43+09:00
Subject: Re: Emacs/putty code help

On Nov 5, 12:12 am, Thierry Ntoh yuh <thierr...@hotmail.com> wrote:
> Please someone help me with this ruby code on putty/emacs
> Thanks
>
> Write a statistical program in Ruby to:
>
> a)  Input the name of a data file from the command line arguments.
>
> b)  Input floating-point numbers from the data file.
>
> c)  Calculate and output the mean.  This is the average, or the sum of
> the
>     values divided by the number of values.
>
> d)  Calculate and output the median.  This is the value such than half
> the
>     values are larger and half are smaller.  If you have an even number
> of
>     values use either middle value or the average of the two middle
> values.
>
> --
> Posted viahttp://www.ruby-forum.com/.

I wonder what your teacher will think of this.

ruby -e"a=gets(nil).scan(/[-\d.]+/).map &:to_f;p a.
reduce{|s,x|s+x}/a.size,a.sort[a.size/2]"