NAME
GT::DB::Chart - GeniusTrader access to data from Chart
SYNOPSIS
use GT::DB::Chart;
my $db = GT::DB::Chart->new;
my $prices = $db->get_prices ('BHP.AX', $GT::Prices::DAYS);
DESCRIPTION
This is a GT::DB
module giving access to the Chart database from GeniusTrader scripts and calculations.
FUNCTIONS
$db = GT::DB::Chart->new()
-
Create and return a new
GT::DB::Chart
object to retrieve data from the Chart database (~/Chart/database.sqdb). $db->disconnect()
-
Disconnect from the Chart database.
$prices = $db->get_prices ($symbol, $timeframe)
$prices = $db->get_last_prices ($symbol, $limit, $timeframe)
-
Create and return a
GT::Prices
object with the data for$symbol
in the given$timeframe
increments.$timeframe
can be$DAYS
,$WEEKS
,$MONTHS
or$YEARS
.get_prices()
returns all available data for$symbol
,get_last_prices()
returns only the most recent$limit
many values (or as many as available). For example to get the last 250 trading days,my $prices = $db->get_last_prices ('GM', 250, $GT::Prices::DAYS);
$str = $db->get_db_name ($symbol)
-
Return the company name for the stock
$symbol
, orundef
if unknown.For most applications use
$db->get_name()
instead (seeGT::DB
), since it tries your ~/.gt/sharenames file if nothing fromget_db_name()
.
SEE ALSO
HOME PAGE
http://user42.tuxfamily.org/chart/index.html
LICENCE
Copyright 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017 Kevin Ryde
Chart is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.
Chart is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Chart; see the file COPYING. Failing that, see http://www.gnu.org/licenses/.