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  1. or download this
    $ perl 1140691.pl
    Use of uninitialized value $2 in concatenation (.) or string at 114069
    +1.pl line 8.
    ...
    hostname : localhost
    IP       :     inet 10.5.50.27 netmask 0xffffff00 broadcast 10.5.50.25
    +5
    Netmask  :     inet 10.5.50.27 netmask 0xffffff00 broadcast 10.5.50.25
    +5
    
  2. or download this
    #!/usr/bin/perl
    use strict;
    ...
    print "Netmask  : $sysnm\n";
    
    __END__
    
  3. or download this
    $ perl 1140691.pl
    hostname : localhost
    IP       : 10.5.50.27
    Netmask  : 0xffffff00
    $