Re: feature request: self join from stdin

[L A Walsh]

On 11/25/2018 11:00 AM, CoreUtils subscribtion for PLC wrote:
> Xargs --max-args=2 exho
>   
---
Does this look like below:
  seq 3|xargs --max-args=2  echo
  1 2
  3
> > $ seq 3 | join -j2 - - | paste -s
> >  1 1     1 2     1 3     2 1     2 2     2 3     3 1     3 2     3 3
> >
> >     
Now wait, seq produces one '1', one '2', and one '3'.  How are you 
getting pairs with 2 of each value in them?  You'd have to have 2 copies 
of 'seq 3' to give you something like that.  No more cheating!... :-)