use strict;

         while(<INPUT>){

            local $/;
            my $line = $_;
            
    ########@push @lineinfo, split $line; 
    ###### The @push   .... is not a compiling code
       
            my @lineinfo = split(' ',$line);
           

    ########## @lineinfo = () ; I have less cluesss on what you are doing
     ######### You have to use strict;
     ######### learn about split,push commands and perldoc perlop
     ######### perldoc split
     ######### perldoc push
     ######### perldoc perlop
     ######### abotu strict module too