App::Chart::Database -- database functions
App::Chart::Database->add_symbol ($symbol)
Add $symbol to the database. If $symbol is already in the database then remove its "historical" marker.
$symbol
App::Chart::Database->delete_symbol ($symbol, $notes_too)
Delete all data relating to $symbol from the database. If $notes_too is given and it's true then delete user notes and annotations too.
$notes_too
App::Chart::Database->symbol_exists ($symbol)
Return true if $symbol exists in the database.
Return true if $symbol is marked as historical, meaning it's delisted, or renamed, or whatever, but in any case is no longer actively trading.
App::Chart::Database->symbol_name ($symbol)
Return the stock or commodity name for $symbol, obtained from the database.
App::Chart::Database->symbol_decimals ($symbol)
Return the number of decimal places normally shown on prices for $symbol. For example prices in dollars might have this as 2 to show dollars and cents.
It's possible particular prices in the database or a quote might have more than this many places. The return is 0 if there's no information on $symbol.
$value = App::Chart::Database->read_extra ($symbol, $key)
App::Chart::Database->write_extra ($symbol, $key, $value)
Read or write extra data associated with $symbol. $key is a string describing the data, $value is a string or undef. undef means delete the data.
$key
$value
undef
App::Chart
http://user42.tuxfamily.org/chart/index.html
Copyright 2008, 2009, 2010, 2011 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/.
To install two_face, copy and paste the appropriate command in to your terminal.
cpanm
cpanm two_face
CPAN shell
perl -MCPAN -e shell install two_face
For more information on module installation, please visit the detailed CPAN module installation guide.