GNU bug report logs - #13389
echo command redhat linux OS

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Message #10 received at 13389-done <at> debbugs.gnu.org (full text, mbox):

From: Bernhard Voelker <mail <at> bernhard-voelker.de>
To: Mohanad Azzam <mazzam.c <at> stc.com.sa>
Cc: 13389-done <at> debbugs.gnu.org
Subject: Re: bug#13389: echo command redhat linux OS
Date: Tue, 08 Jan 2013 18:47:50 +0100

tag 13389 notabug
thanks

On 01/08/2013 06:57 AM, Mohanad Azzam wrote:
> Dears
> 
> Could we print values to be as three column ,each column present the values of each file.
> 
> More explanation :
> I have three files ,each file include a queue of values .I need to print all the values by one command to be in one page
> 
> Thanks

Without a sample of your data, this sounds like you
want to use join.

Given you have the 3 files X, Y and Z with the following content:

  $ cat X
  1 x1
  2 x2
  3 x3

  $ cat Y
  1 y1
  2 y2
  3 y3

  $ cat Z
  1 z1
  2 z2
  3 z3

If you don't have the line numbers, then you can easily
create them with e.g. "cat -n X".

Then you can join X and Y (column 1 will be the key),
and join the result (indicated by stdin "-") with Z:

  $ join X Y | join - Z
  1 x1 y1 z1
  2 x2 y2 z2
  3 x3 y3 z3

Have a nice day,
Berny

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