Bug#457778: ITP: blm -- compute set operations on line-oriented files: and, or, xor, and more.

[Florian Weimer <fw@deneb.enyo.de>]

* Rudi Cilibrasi:

> * Package name    : blm
>   Version         : 0.9.0
>   Upstream Author : Rudi Cilibrasi <cilibrar@debian.org>
> * URL             : http://cilibrar.com/~cilibrar/projsup/blm-0.9.0.tar.gz
> * License         : BSD
>   Programming Lang: C++
>   Description     : compute set operations on line-oriented files: and, or, xor, and more.
>
> Line oriented files may be considered to represent sets of strings.
> blm computes set intersection, set union, set difference, and set
> "exclusive or" via a convenient command-line interface.  blm stands
> for Boolean line manipulator.  blm lets you easily and quickly answer
> questions like which lines appear in essential.txt and wanted.txt but
> not prevented.txt.

Uhm, sort & comm is probably faster and also works when the input files
are larger than the available address space.