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LEARN ABOUT DEBIAN
webservice::cia
WebService::CIA(3pm) User Contributed Perl Documentation WebService::CIA(3pm)
NAME
WebService::CIA - Get information from the CIA World Factbook.
SYNOPSIS
use WebService::CIA;
use WebService::CIA::Source::DBM;
use WebService::CIA::Source::Web;
# Get data from a pre-compiled DBM file
my $source = WebService::CIA::Source::DBM->new({ DBM => "factbook.dbm" });
my $cia = WebService::CIA->new({ Source => $source });
$fact = $cia->get("uk", "Population");
print $fact;
# Get data direct from the CIA World Factbook
my $source = WebService::CIA::Source::Web->new();
my $cia = WebService::CIA->new({ Source => $source });
$fact = $cia->get("uk", "Population");
print $fact;
DESCRIPTION
A module which gets information from the CIA World Factbook.
Crypt::SSLeay
The most recent version of the CIA World Factbook uses HTTPS to access its web pages. As such, WebService::CIA requires Crypt::SSLeay which
suffers from the usual cryptographic export restriction mumbo jumbo. Sorry about that.
Users of ActiveState's ActivePerl should see <http://aspn.activestate.com/ASPN/Downloads/ActivePerl/PPM/Repository> for instructions on
downloading a PPM of Crypt::SSLeay.
METHODS
"new(\%opts)"
Creates a new WebService::CIA object. Takes a hashref, which must contain a "Source" key whose value is a WebService::CIA::Storage
object.
"get($country_code, $field)"
This method retrieves information from the store.
It takes two arguments: a country code (as defined in FIPS 10-4 on <https://www.cia.gov/library/publications/the-world-factbook/appen-
dix/appendix-d.html>, e.g. "uk", "us") and a field name (as defined in <https://www.cia.gov/library/publications/the-world-fact-
book/docs/notesanddefs.html>, e.g. "Population", "Agriculture - products"). (WebService::CIA::Parser also creates four extra fields:
"URL", "URL - Print", "URL - Flag", and "URL - Map" which are the URLs of the country's Factbook page, the printable version of that
page, a GIF map of the country, and a GIF flag of the country respectively.)
The field name is very case and punctuation sensitive.
It returns the value of the field, or "undef" if the field or country isn't in the store.
Note that when using WebService::CIA::Store::Web, "get" will also return "undef" if there is an error getting the page.
"get_hashref(@countries, @fields)"
This method takes two arguments: an arrayref of country codes and an arrayref of field names.
It returns a hashref of the form
{
'country1' => {
'field1' => 'value',
'field2' => 'value'
},
'country2' => {
'field1' => 'value',
'field2' => 'value'
}
}
"get_all_hashref(@countries)"
Get all the fields available for countries.
It takes one argument, an arrayref of country codes.
It returns a hashref similar to the one from "get_hashref" above, containing all the fields available for each country.
"source()"
Get a reference to the WebService::CIA::Source object in use.
CONFIGURATION VARIABLES
$WebService::CIA::base_url
Sets the base URL for the Factbook (currently "https://www.cia.gov/library/publications/the-world-factbook/"). If the Factbook changes
location, this can be changed to point to the new location (assuming the relative structure of the Factbook is unchanged).
AUTHOR
Ian Malpass (ian-cpan@indecorous.com)
COPYRIGHT
Copyright 2003-2007, Ian Malpass
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
The CIA World Factbook's copyright information page (<https://www.cia.gov/library/publications/the-world-factbook/docs/contributor_copy-
right.html>) states:
The Factbook is in the public domain. Accordingly, it may be copied
freely without permission of the Central Intelligence Agency (CIA).
SEE ALSO
WebService::CIA::Parser, WebService::CIA::Source::DBM, WebService::CIA::Source::Web
perl v5.8.8 2008-02-04 WebService::CIA(3pm)
