From: ts Date: 2004-01-31T22:43:06+09:00 Subject: Re: flip flop operator and assignment >>>>> "P" == Phil Tomson writes: P> in_header = $.==1 .. l=~/^$/ this is not the flip flop operator, but the range operator : this is why it give an error P> in_header = $.==1 .. l=~/^$/ ? true : false this is the flip flop operator Guy Decoux