Re: [bug #24974] Document that comm's option "-1", "-2" and "-3" can be combined

[Frank Lin PIAT]

On Mon, 2008-12-01 at 22:00 +0100, Andreas Schwab wrote:
> Pádraig Brady <address@hidden> writes:
> 
> > # set operations on sorted files
> >
> > comm file1 file2 | sed 's/^\t*//'     #Union
> 
> That only works when no data line begins with a TAB.  sort -m does not
> have this problem.

Actually, this one deserves an example too. I've probably read that
manpage 50+ times, And i never understood what "-m" meant.

Thanks,

Franklin