On Mon, 21 Feb 2005, Wagner, David --- Senior Programmer Analyst --- WGO wrote:
> Oliver Fuchs wrote:
> > Hi,
> >
> > I want to save names from <STDIN> to an array.
> > Afterwards I want to delete a single name in the array received again
> > from <STDIN>.
> >
> > This is what I have:
> >
> > #!/usr/bin/perl
> >
> > use warnings;
> >
> > print "Some names please: \n";
> > @names = <STDIN>;
> > print "Delete one name? \n";
> > $deleted = <STDIN>;
> > foreach $item (@names) {
> > unless ($item eq $deleted){
> > push (@aonly, $item);
> > }
> > };
> > print "Your names:\n", @aonly, "\n";
> >
> >
> > My question is how can I delete an element of the array directly
> > (something like
> > pop (@names, $item);
> > ).
> > Is there a chance to delete it without using the index?
> >
> > Oliver
> > --
> > ... don't touch the bang bang fruit
>
> You would use splice to remove an item. But if I was going to do this,
> then I would use a hash and then delete the item and not do the searching
> through the array. If you only have 5 items, okay, but 10000 then you have to
> search at least 5000 entires ( on avg ) to get your item. But if name is the
> key into the hash, then one action to delete the name.
>
> Wags ;)
>
Hi,
thanks for answering. So I have to use a hash ... will try it.
Thanks
Oliver
--
... don't touch the bang bang fruit
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