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  1. or download this
    #/usr/bin/perl -w
    use strict;
    ...
        print "\7";
       }
    }
    
  2. or download this
    #!/usr/bin/perl -w 
    use strict;
    ...
    
    # check for some event
    #sub some_event { ... }
    
  3. or download this
    Use of uninitialized value in pattern match (m//) at clientt.pl line 1
    +0. <br>
    Use of uninitialized value in concatenation (.) or string at clientt.p
    +l line 10<br>