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  1. or download this
    use strict;
use warnings;
...
foo|bar|baz
aaa|bbb|ccc
ddd|eee|fff
  2. or download this
    use strict;
use warnings;
...
foobarbaz
aaabbbccc
dddeeefff
  3. or download this
        my @rtn = @cols[0,2];   #Grab the 1st and 3rd column
    print join(' # ',@rtn);
    print "\n";