On Sat, Nov 5, 2011 at 3:54 PM, Shawn H Corey <shawnhco...@gmail.com> wrote:
> On 11-11-05 02:40 PM, Brian Fraser wrote: > >> See `perldoc readline`. $! will be undefined if no error occurs. >> >> >> No. >> > > $! will be undefined, not `undef` > > That's silly. Perl has no spec -- You can't have undefined behavior. You can tell exactly what's going to happen if you look at the source. Also, a correction for my previous message: In the second example, you need an "or say $!;" after the readline to trigger $! being set. Same with the <> version.