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.IX Title "WebService::CIA::Source::DBM 3pm"
.TH WebService::CIA::Source::DBM 3pm "2015-06-07" "perl v5.20.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
WebService::CIA::Source::DBM \- An interface to a DBM copy of the CIA World Factbook
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 5
\&  use WebService::CIA::Source::DBM;
\&  my $source = WebService::CIA::Source::DBM\->new({
\&                                                   DBM  => \*(Aqfactbook.dbm\*(Aq,
\&                                                   Mode => \*(Aqread\*(Aq
\&                                                 });
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
WebService::CIA::Source::DBM is an interface to a pre-compiled \s-1DBM\s0 copy of the \s-1CIA\s0
World Factbook.
.PP
The module can also be used to make the \s-1DBM\s0 file, taking data from
WebService::CIA::Parser (or WebService::CIA::Source::Web) and inserting it into a \s-1DBM.\s0
.PP
A script to do this \- webservice\-cia\-makedbm.pl \- should be included in this
module's distribution.
.SH "METHODS"
.IX Header "METHODS"
Apart from \f(CW\*(C`new\*(C'\fR, these methods are normally accessed via a WebService::CIA object.
.ie n .IP """new(\e%opts)""" 4
.el .IP "\f(CWnew(\e%opts)\fR" 4
.IX Item "new(%opts)"
This method creates a new WebService::CIA::Source::DBM object. It takes a hashref of
options. Valid keys are \*(L"\s-1DBM\*(R"\s0 and \*(L"Mode\*(R".
.Sp
\&\s-1DBM\s0 is mandatory and should be the location of the \s-1DBM\s0 file to be used.
.Sp
Mode is optional and can be either \*(L"read\*(R" or \*(L"readwrite\*(R". It defaults to
\&\*(L"read\*(R".
.ie n .IP """value($country_code, $field)""" 4
.el .IP "\f(CWvalue($country_code, $field)\fR" 4
.IX Item "value($country_code, $field)"
Retrieve a value from the \s-1DBM.\s0
.Sp
\&\f(CW$country_code\fR should be the \s-1FIPS 10\-4\s0 country code as defined in
<https://www.cia.gov/library/publications/the\-world\-factbook/appendix/appendix\-d.html>.
.Sp
\&\f(CW$field\fR should be the name of the field whose value you want to
retrieve, as defined in
<https://www.cia.gov/library/publications/the\-world\-factbook/docs/notesanddefs.html>.
(WebService::CIA::Parser also creates four extra fields: \*(L"\s-1URL\*(R", \*(L"URL \-\s0 Print\*(R",
\&\*(L"\s-1URL \-\s0 Flag\*(R", and \*(L"\s-1URL \-\s0 Map\*(R" which are the URLs of the country's Factbook
page, the printable version of that page, a \s-1GIF\s0 map of the country, and a
\&\s-1GIF\s0 flag of the country respectively.)
.ie n .IP """all($country_code)""" 4
.el .IP "\f(CWall($country_code)\fR" 4
.IX Item "all($country_code)"
Returns a hashref of field-value pairs for \f(CW$country_code\fR or an empty
hashref if \f(CW$country_code\fR isn't in the \s-1DBM.\s0
.ie n .IP """set($country_code, $data)""" 4
.el .IP "\f(CWset($country_code, $data)\fR" 4
.IX Item "set($country_code, $data)"
Insert or update data in the \s-1DBM.\s0
.Sp
\&\f(CW$country_code\fR should be as described above.
.Sp
\&\f(CW$data\fR is a hashref of the data to store (as Field => Value).
.Sp
\&\f(CW\*(C`set\*(C'\fR \fBoverwrites\fR any data already in the \s-1DBM\s0 under \f(CW$country_code\fR.
.ie n .IP """dbm()""" 4
.el .IP "\f(CWdbm()\fR" 4
.IX Item "dbm()"
Returns a reference to the \s-1DBM\s0 file in use.
.SH "AUTHOR"
.IX Header "AUTHOR"
Ian Malpass (ian\-cpan@indecorous.com)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2003\-2007, Ian Malpass
.PP
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.PP
The \s-1CIA\s0 World Factbook's copyright information page
(<https://www.cia.gov/library/publications/the\-world\-factbook/docs/contributor_copyright.html>)
states:
.PP
.Vb 2
\&  The Factbook is in the public domain. Accordingly, it may be copied
\&  freely without permission of the Central Intelligence Agency (CIA).
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
WebService::CIA, WebService::CIA::Parser, WebService::CIA::Source::Web