On Tue, Feb 11, 2003 at 11:42:27PM -0800, Brent Dax wrote:
> Stéphane Payrard:
> # I was so sure that, in case of success, the file operators
> # would return the filename that I wrote the following code to
> # print where are the perl interpretors in the PATH. But, in
> # case of success, fileops returns 1 not the filename.
> #
> # local $, = '\n";
> # sub mapgrep (&@) { my ($fun, @args)=@_; map { &{$fun}($_)
> # } grep { &{$fun}($_) } @args }
> # print (mapgrep { -x "$_/perl" } split /:/, $ENV{PATH}), "\n";
> #
> # Is there a reason why file operators don't dwim?
>
> So you don't have problems with a file name that isn't true, like "0"?
Indeed.
Probably my proposition would make more sense in perl6 where the
fileop could return "0 but true" in such a case.
May be, it has already proposed and my thought was just a
remembrance. :)
[snipped]
--
stef
