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.\" ========================================================================
.\"
.IX Title "BootStrap 3pm"
.TH BootStrap 3pm "2012-01-27" "perl v5.14.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Net::DNS::SEC::Tools::BootStrap \- Optional loading of Perl modules
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Net::DNS::SEC::Tools::BootStrap;
\&
\&  dnssec_tools_load_mods(
\&     PerlModule => \*(AqAdditional help/error text\*(Aq
\&  );
.Ve
.SH "DESCRIPTION"
.IX Header "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, \fI\fIdnssec_tools_load_mods()\fI\fR will display an
error message and calls \fI\fIexit()\fI\fR.  The error message describes how to
install a module via \s-1CPAN\s0.
.PP
The arguments to \fI\fIdnssec_tools_load_mods()\fI\fR 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 \*(L"noerror\*(R", then no error message will be displayed before the
function exits.
.SH "CAVEATS"
.IX Header "CAVEATS"
The module will try to import any exported subroutines from the
module into the \fImain\fR namespace.  This means that the \fIBootStrap.pm\fR
module is likely to not be useful for importing symbols into other modules.
Work-arounds for this are:
.IP "\- import the symbols by hand" 4
.IX Item "- import the symbols by hand"
.Vb 3
\&  dnssec_tools_load_mods(
\&     PerlModule => \*(AqAdditional help/error text\*(Aq
\&  );
\&
\&  import PerlModule qw(func1 func2);
\&
\&  func1(arg1, arg2);
.Ve
.IP "\- call the fully qualified function name" 4
.IX Item "- call the fully qualified function name"
.Vb 3
\&  dnssec_tools_load_mods(
\&     PerlModule => \*(AqAdditional help/error text\*(Aq
\&  );
\&
\&  PerlModule::func1(arg1, arg2);
.Ve
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2006\-2012 \s-1SPARTA\s0, Inc.  All rights reserved.
See the \s-1COPYING\s0 file included with the DNSSEC-Tools package for details.
.SH "AUTHOR"
.IX Header "AUTHOR"
Wes Hardaker <hardaker@users.sourceforge.net>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
http://www.dnssec\-tools.org/