On Fri, Feb 17, 2012 at 9:17 AM, lina <lina.lastn...@gmail.com> wrote: > Thanks, here why you use '<', not "<"
http://perldoc.perl.org/perlop.html#Quote-and-Quote-like-Operators '<' is literal, no interpolation. "<" is literal with interpolation. in this particular case, there is no difference between '<' and "<". But, "$!" and '$!' is not the same. -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
