joining files

[James Mills]

On Sun, May 16, 2010 at 5:02 PM, mannu jha <mannu_0523 at rediffmail.com> wrote:
> Hi,
>
> I have few files like this:
> file1:
> 22 110.1
> 33 331.5 22.7
> 5 271.9 17.2 33.4
> 4 55.1
>
> file1 has total 4 column but some of them are missing in few row.
>
> file2:
> 5 H
> 22 0
>
> file3:
> 4 T
> 5 B
> 22 C
> 121 S
>
> in all these files first column is the main source of matching their
> entries. So What I want in the output is only those entries which is coming
> in all three files.
> output required:
> 5 271.9 17.2 33.4 5 H 5 T
> 22 110.1 22 0 22 C

This had better not be yet another assignment
you're asking us to help you with ? *sigh*

Break your problem down!

Since you haven't really asked a specific question
I can't give you a specific answer.

--James