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  1. or download this
    #!/usr/bin/perl
    use strict;
    ...
    
    close(MYFILE);
    
  2. or download this
    [bluethundr@cc126-200:~/perl] $:./3par-test5.pl 
    Use of uninitialized value in pattern match (m//) at ./3par-test5.pl l
    +ine 29, <MYFILE> line 1.
    ...
    Use of uninitialized value in concatenation (.) or string at ./3par-te
    +st5.pl line 30, <MYFILE> line 2.
    Use of uninitialized value in concatenation (.) or string at ./3par-te
    +st5.pl line 30, <MYFILE> line 2.
    Use of uninitialized value in hash element at ./3par-test5.pl line 30,
    + <MYFILE> line 2.