Converting Resources/*.lproj/Localizable.strings to one combined strings.txt

gistfile1.aw

<?php                                                                           
$ens = file_get_contents("tottepost/en.lproj/Localizable.strings");             
$jas = file_get_contents("tottepost/ja.lproj/Localizable.strings");             
$ens = mb_convert_encoding($ens, "utf-8", "utf-16");                            
//$jas = mb_convert_encoding($jas, "utf-8", "utf-16");                          
$ens = explode("\n", $ens);                                                     
$jas = explode("\n", $jas);                                                     
                                                                                
$strings = array();                                                             
foreach($ens as $en){                                                           
    if(preg_match('/"([^"]+?)" *= *"([^"]+?)";/u', $en, $regs)){                
        $strings[$regs[1]]["en"] = $regs[2];                                    
    }                                                                           
}                                                                               
foreach($jas as $ja){                                                           
    if(preg_match('/"([^"]+?)" *= *"([^"]+?)";/u', $ja, $regs)){                
        $strings[$regs[1]]["ja"] = $regs[2];                                    
    }                                                                           
}                                                                               
                                                                                
$output = array("[[General]]");                                                 
foreach($strings as $k => $s){                                                  
    if(isset($s["en"]) == false || empty($s["en"]) || empty($s["ja"])){         
        die("$k has empty record\n");                                           
    }                                                                           
    $output[] = "    [$k]";                                                     
    if(preg_match('/AAM/', $k)){                                                
        $output[] = "        tags = common, aam_feedback";                      
    }else{                                                                      
        $output[] = "        tags = common";                                    
    }                                                                           
    $output[] = "        en = " . $s["en"];                                     
    $output[] = "        ja = " . $s["ja"];                                     
}                                                                               
                                                                                
$output = implode("\n", $output) . "\n";                                        
echo $output;