Dies schrieb Jim Meyering ([email protected]):

> > This does seem useful on the face of it.
> > I need to do a little further investigation
> > to see if there are existing ways to achieve the same.
> 
> For the record, here's a quick one-liner:
> 
>   $ seq 2|perl -ne '$n=3; print; $.==$n and $ok=1,last; END{exit 4*!!$ok}'
>   1
>   2
>   $ seq 5|perl -ne '$n=3; print; $.==$n and $ok=1,last; END{exit 4*!!$ok}'
>   1
>   2
>   3

Sure, I'm using perl myself to achieve this, but using perl for any problem
would render most common utilities useless ;-)

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