in reply to Re^2: conditional print. Is correct to use it?
in thread conditional print. Is correct to use it?

See "Scalar values" in perldata.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom