> -----Original Message----- > From: John W. Krahn [mailto:[EMAIL PROTECTED]] > Sent: Monday, August 19, 2002 4:17 PM > To: [EMAIL PROTECTED] > Subject: Re: newbie question > > > Bob Showalter wrote: > > > > ...consider if $| were -1 prior to the increment). > ^^^^^^^^^^^^^ > > It's not going to happen Bob! :-) $| is very magical and > can only hold > the values zero and one. > > $ perl -le'for (-5, -1, 0, 1, 5) {$| = $_; print $|}' > 1 > 1 > 0 > 1 > 1 > > > Also, $| has an interesting property when you decrement it. > > $ perl -le'for (1 .. 6) {$|--; print $|}' > 1 > 0 > 1 > 0 > 1 > 0 > > Which it doesn't have when you increment it. > > $ perl -le'for (1 .. 6) {$|++; print $|}' > 1 > 1 > 1 > 1 > 1 > 1
In the words of Johnny Carson, "I did not know that!". :~) Thanks for educating me. I'm stickin by my story though. I would use $| = 1 and $| = 0 to make sure that Perl DWIM! -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
