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    #!/usr/bin/perl -l
    
    ...
    closedir $dh;
    
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    $ ls -l 1 12 123
    -rw-r--r--  1 ken  staff  0  8 Jan 03:00 1
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    -rw-r--r--  1 ken  staff  0  8 Jan 03:00 123
    
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