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.\" ========================================================================
.\"
.IX Title "STAG-HANDLE 1"
.TH STAG-HANDLE 1 "2009-12-14" "perl v5.18.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
stag\-handle \- streams a stag file through a handler into a writer
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&  stag\-handle \-w itext \-c my\-handler.pl myfile.xml > processed.itext
\&  stag\-handle \-w itext \-p My::Parser \-m My::Handler myfile.xml > processed.itext
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
will take a Stag compatible format (xml, sxpr or itext), turn the data
into an event stream passing it through my\-handler.pl
.IP "\-help|h" 4
.IX Item "-help|h"
shows this document
.IP "\-module|m \s-1PERLMODULE\s0" 4
.IX Item "-module|m PERLMODULE"
A module that is used to transform the input events
the module should inherit from Data::Stag::BaseHandler
.IP "\-unit|u \s-1NODE_NAME\s0" 4
.IX Item "-unit|u NODE_NAME"
(you should always use this option if you specify \-m)
.Sp
this is the unit that gets passed to the handler/transformer. this
will get set automatically if you use the the \-c, \-s or \-t options
.Sp
multiple units can be set
.Sp
.Vb 1
\&  \-u foo \-u bar \-u boz
.Ve
.IP "\-writer|w \s-1WRITER\s0" 4
.IX Item "-writer|w WRITER"
writer for final transformed tree; can be xml, sxpr or itext
.IP "\-module|m \s-1MODULE\s0" 4
.IX Item "-module|m MODULE"
perl modules for handling events
.IP "\-codefile|c \s-1FILE\s0" 4
.IX Item "-codefile|c FILE"
a file containing a perlhashref containing event handlers \- see below
.IP "\-sub|s \s-1PERL\s0" 4
.IX Item "-sub|s PERL"
a perl hashref containing handlers
.IP "\-trap|t ELEMENT=SUB" 4
.IX Item "-trap|t ELEMENT=SUB"
.SH "EXAMPLES"
.IX Header "EXAMPLES"
.Vb 10
\&  unix> cat my\-handler.pl
\&  {
\&    person => sub {
\&        my ($self, $person) = @_;
\&        $person\->set_fullname($person\->get_firstname . \*(Aq \*(Aq .
\&                           $person\->get_lastname);
\&        $person;
\&    },
\&    address => sub {
\&        my ($self, $address) = @_;
\&        # remove addresses altogether from processed file
\&        return;
\&    },
\&  }
.Ve
.SH "POD ERRORS"
.IX Header "POD ERRORS"
Hey! \fBThe above document had some coding errors, which are explained below:\fR
.IP "Around line 138:" 4
.IX Item "Around line 138:"
=over should be: '=over' or '=over positive_number'
