Download stock data from BLS

stock_data.php

<?php

# Downloading stock data, one file per date
# required packages: php5-cli wget
# downloaded files have format of: name, date(yymmdd), open, high, low, close, volume(stocks), value(baht)

$start_year = 2003;
for($y=$start_year; $y<=2014; $y++){

    for($m=1; $m<=12; $m++ ){

        for($d=1; $d<=31; $d++){

            $t = strtotime("$y-$m-$d");
            if($t===FALSE || $t>strtotime("now") || date('m',$t)!=$m) break;

            $dow = intval(date('N', $t)); //1-Monday, 7-Sunday

            if(1<=$dow && $dow<=5){
                $url = sprintf('http://realtime.bualuang.co.th/myeasy/realtime/quotation/txt/%02d%02d%4d.txt',$d,$m,$y);
                system("wget $url");
            }

        }

    }

}