BSD grep fixes

[Gabor Kovesdan]

Em 2010.07.27. 5:59, b. f. escreveu:
> Other important differences between bsdgrep and GNU grep:
>
> The --include option in bsdgrep does not have the same effect as the
> corresponding option in GNU grep -- in GNU grep, that option causes
> _only_ those files matching the file inclusion pattern to be searched.
>   To obtain the same behavior in bsdgrep, one must issue something like
> --exclude '*' --include pattern.
>
> The effect of multiple overlapping --include and --exclude options is
> different in the two greps.  It would be wise to add comments about
> precedence of such options in the bsdgrep manpage, as is done, for
> example, in bsdtar(1).
>    
Thanks for bringing this up, I'll take a look and try to implement the 
same behaviour. And I will also document the behaviour.

Gabor