so then
if($a=~tr/0/0/c) {do_something();}
should work for any value of true, right?
On Wed, 22 May 2002, Ronald J Kimball wrote:
> On Wed, May 22, 2002 at 09:54:52PM -0400, Yanick wrote:
> > On Wed, May 22, 2002 at 10:06:39PM -0400, Josh Goldberg wrote:
> > > I came up with another one. This also works for values of true other
> > > than 1.
> > >
> > > if ($a=~tr/.[^0]+/0/c) { do_something(); }
> >
> > s/tr/s/, maybe ?
> >
> > (the transliterate operator doesn't use patterns, so
> > the code above change every instances of '.' by a 0,
> > of '[' by a '[' and so on and so forth...)
>
> Actually, it translates every character that is *not* one of '.[^0]+' into '0'.
>
> /c complements the search list.
>
> When the search list is longer than the replacement list, the last
> character in the replacement class is repeated.
>
> Ronald
>
>
