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BootStrap

NAME

Net::DNS::SEC::Tools::BootStrap − Optional loading of Perl modules

SYNOPSIS

  use Net::DNS::SEC::Tools::BootStrap;
  dnssec_tools_load_mods(
     PerlModule => 'Additional help/error text'
  );

DESCRIPTION

The DNSSEC-Tools package requires a number of Perl modules that are only needed by some of the tools. This module helps determine at run-time, rather than at installation time, if the right tools are available on the system. If any module fails to load, dnssec_tools_load_mods() will display an error message and calls exit(). The error message describes how to install a module via CPAN .

The arguments to dnssec_tools_load_mods() are given in pairs. Each pair is a module to try to load (and import) and a supplemental error message. If the module fails to load, the supplemental error message will be displayed along with the installation-via-CPAN message. If the error message consists of the string "noerror", then no error message will be displayed before the function exits.

CAVEATS

The module will try to import any exported subroutines from the module into the main namespace. This means that the BootStrap.pm module is likely to not be useful for importing symbols into other modules. Work-arounds for this are:
− import the symbols by hand

  dnssec_tools_load_mods(
     PerlModule => 'Additional help/error text'
  );
  import PerlModule qw(func1 func2);
  func1(arg1, arg2);

− call the fully qualified function name

  dnssec_tools_load_mods(
     PerlModule => 'Additional help/error text'
  );
  PerlModule::func1(arg1, arg2);

COPYRIGHT

Copyright 2006−2011 SPARTA , Inc. All rights reserved. See the COPYING file included with the DNSSEC-Tools package for details.

AUTHOR

Wes Hardaker <hardaker AT users DOT sourceforge DOT net>

SEE ALSO

http://www.dnssec−tools.org/

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