From: William James <w_a_x_man@...>
Date: 2005-10-14T02:21:54+09:00
Subject: Re: Iterate over md Array (the Ruby way)


David A. Black wrote:
> Hi --
>
> On Thu, 13 Oct 2005, Peter v. N. wrote:
>
> > Yes, I admit that I was not very clear
> > (English's not my mother tongue.. ;-) ):
> >
> > An input text file (@source) looks like this:
> >
> > 0000022340
> > 0023457000
> > 0000000110
> > 0008000000
> > 0000090000
> > 0000330000
> > 0000000730
> > 0664000000
> > 0034000000
> >
> > or maybe:
> >
> > AGCTAGCT12345
> > AAA3BBBCC
> > AAACC
> >
> > @source[i][j] = ASCII substring at this position:
> > e.g.: val = @source[1][3] #-> "3"
> >
> > by non-convertible I mean everything that cannot be
> > represented as an integer ("12345678A", "A".to_i # -> "0")
> >
> > Array a) yields in	Array a)
> >
> > Array a) yields in	0000000012345
> > 			0000000000000
> > 			0000000000000
> >
> > I managed to obtain such structures, but not by the Ruby way...
>
> See if this helps:
>
> array = <<EOM.split(/\n/)
> 0000022340
> 0023457000
> 0000000110
> AGCTAGCT12345
> AAA3BBBCC
> AAACC
> EOM
>
> max = array.map {|st| st.chomp.size }.max

A minor point: since #split(/\n/) was used, #chomp isn't needed.

> array.each {|s| s.replace(s.rjust(max,"0")).gsub!(/\D/,"0") }
> puts array