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  1. or download this
    $ cat pm_1219033_test_data.txt
    0 1 2 3
    a b c d
    () {} [] <>
    
  2. or download this
    $ cat pm_1219033_test_shebang.pl
    #!/usr/bin/perl -lan
    ...
    use warnings;
    
    print $F[2];
    
  3. or download this
    $ ./pm_1219033_test_shebang.pl pm_1219033_test_data.txt
    2
    c
    []
    
  4. or download this
    $ cat ./pm_1219033_test_script.pl
    print "hello\n";
    ...
    $ perl -e 'print "hello\n";'
    hello
    $
    
  5. or download this
    $ perl -lane 'print $F[2]' pm_1219033_test_data.txt
    2
    ...
    a b c
    () {} []
    $