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  1. or download this
    #!/usr/bin/perl
use warnings;
...
      say "About to compare $b1 with $b2";
  }
}
  2. or download this
    About to compare firefox's screen with chrome's screen
About to compare firefox's screen with internet explorer's screen
...
About to compare internet explorer's screen with firefox's screen
About to compare internet explorer's screen with chrome's screen
About to compare firefox's screen with chrome's screen
  3. or download this
    ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,