bug#8040: join 5.97 bug

[Pádraig Brady]

On 14/02/11 23:45, Batson, Brannon wrote:
> 
> File a:
> 10 A
> 1  B
> 
> File b:
> 1
> 
> $ join b a
> <nada>
> 
> $ join -v 1 d c
> 1
> 
> files a & b are both sorted lexicographically  (according to 'sort', anyway). 
> The problem is that the join lexicographic '<' operator disagrees with sort's.
> 
> Sorry if this bug has been found like a thousand times before, couldn't find 
> it via 30s of googling.

Newer versions of join are more helpful.

$ join b a
join: file 2 is not in sorted order

$ join b <(sort -k 1b,1 a)
1 B

cheers,
Pádraig