[Za-pm] Re: perldoc

Sean Carte scarte at pan.uzulu.ac.za
Thu Jun 5 08:30:14 CDT 2003


On Thu, 2003-06-05 at 15:25, Nick Cleaton wrote:
> On Thu, Jun 05, 2003 at 02:40:52PM +0200, Sean Carte wrote:
> > 
> > if ( $ARGV[0] and ( $ARGV[0] eq '--help' ) ) {
>        ^^^^^^^^^^^^
> >   exec('perldoc', $0);
> > }
> 
> To prevent a warning if there are no arguments, right ?

Exactly.
 
> How about replacing those 3 lines with:
> 
>   exec 'perldoc', $0 if "@ARGV" eq '--help';

Nice. But I'll keep my warning prevention:

exec 'perldoc', $0 if ( $ARGV[0] and ( $ARGV[0] eq '--help' ) );

-- 
Regards
Sean Carte

University of Zululand
Network Services Unit
Phone: 035 902 6081
Fax: 035 902 6028

"Always look on the bright side of life..."




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