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Message from discussion Sum a numbers of a row
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Roberto Zuelli  
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 More options Oct 16 2012, 12:46 pm
Newsgroups: comp.lang.awk
From: Roberto Zuelli <roberto...@gmail.com>
Date: Tue, 16 Oct 2012 09:46:00 -0700 (PDT)
Subject: Re: Sum a numbers of a row
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On Oct 16, 5:20 pm, Janis Papanagnou <janis_papanag...@hotmail.com>
wrote:

> On 16.10.2012 18:10, Roberto Zuelli wrote:

> > On Oct 16, 4:16 pm, Janis Papanagnou <janis_papanag...@hotmail.com>
> > wrote:
> >> On 16.10.2012 16:07, Roberto Zuelli wrote:

> >>> On Oct 16, 1:53 pm, Roberto Zuelli <roberto...@gmail.com> wrote:
> >>>> On Oct 15, 7:30 pm, Luuk <l...@invalid.lan> wrote:

> >>>>> On 15-10-2012 17:30, Roberto Zuelli wrote:

> >>>>>> I use awk in another language (GAMS)

> >>>>>http://www.gams.com?

> >>>> Yes Luuk, I use that GAMS...

> >>>> Thanks everybody for everything.

> >>>> Roberto

> >>> Sorry, but I have another problem...
> >>> I have a file like this:
> >>> Links  From   To      r
> >>> AA1    BUS1   BUS2    1
> >>> AA2    BUS3   BUS4    2
> >>> AA3    BUS2   BUS4    8
> >>> AA4    BUS1   BUS3    2
> >>> AA5    BUS3   BUS2    1

> >>> I'd like to print all the buses that appear in the 2 columns (from and
> >>> to) but just one time per each bus:
> >>> BUS1
> >>> BUS2
> >>> BUS3
> >>> BUS4
> >>> BUS5

> >> I don't see where you've got that BUS5 from.

> >> Here's an awk command to play with...

> >>    awk 'NR>1{a[$2];a[$3]}END{for(b in a)print b}'

> >> Janis
> >> The command that you gave me will not work correctly if I've something like this:
> > Links  From   To      r
> > AA1    BUS1   BUS2    1
> > AA2    BUS3   BUS4    2
> > AA3    BUS2   BUS4    8
> > AA4    BUS1   BUS3    2
> > AA5    BUS5   BUS6    1
> > AA6    BUS7   BUS5    2
> > AA7    BUS2   BUS6    1

> > I mean, it will not print, for example, BUS6, isn't it?

> Certainly it does, and it will also print BUS7, as it is in your newly
> presented data. - Have you tried my script at all?

Yes I've tried the command you suggested me but it works in a
particular way: it prints more than 1 time the same bus...

> Sorry, I don't understand what you are trying to say here. If you have
> problems describing it with words, please provide sample data to make
> your intention clear. And if I say sample data, I mean sample data that
> will be appropriate to show what you want.

I've a list of buses in two different columns, my goal is to print 1
time all the possible buses present in the 2 columns
NB certain buses compare just in the first column, certain other in
the second column and certain other in both the columns).

R.


 
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