Re: with or without `head' (was Re: auto_ -> auto. in init script)

[H. Peter Anvin]

Scott McDermott wrote:
> 
> H. Peter Anvin on Wed  8/03 00:57 -0800:
> > > This `head' stuff is really silly !  One step up from the now boring
> > > `useless use of cat'.
> >
> > Someone seems to believe the "head" allows the command to return
> > earlier.
> 
> That was me.  Is this an erroneous assumption? I presented it to speed
> up the command on a large map.
> 
>         [mcdermot@diethylamide /tmp]$ time head ~/mail/mbox | wc -l
>         0.01 user 0.00 system 0:00.01 elapsed 83% CPU
>              10
>         [mcdermot@diethylamide /tmp]$ time wc -l ~/mail/mbox
>          271567 /home/mcdermot/mail/mbox
>         0.17 user 0.20 system 0:03.38 elapsed 10% CPU
> 
>         (pretty formatted)
> 

Seems to work, although I think I prefer ypmatch -m.

        -hpa