Translator

某在线翻译脚本，参数是gbk编码的字符串……

用在某在线翻译程序里，每次调一次这个脚本……

带了一个简单的缓存，用BDB缓存已经翻译过的东西。

Google Translate API要钱而且很贵，所以后来改Bing了……

#!/usr/bin/perl
use DB_File;
use URI::Escape;


$filename = '/home/henryhu/.tranlate_cache.db';

$res = `echo -n '$ARGV[0]' | iconv -f gbk`;

$query = $res;

#print $query;
$query = uri_escape($query);
#print $query;

tie %cache, 'DB_File', $filename, O_CREAT|O_RDWR , 0777, $DB_HASH;

if ($cache{$query})
{
	$tag = "F";
	$result = $cache{$query};
} else {
	$tag = "N";
	$url = "http://api.microsofttranslator.com/v2/Http.svc/Translate?appId=<Bing API key>&text=$query&from=ja&to=zh-CN";
#	$url = "https://www.googleapis.com/language/translate/v2?key=<Google API key>&q=$query&source=ja&target=zh-CN";

	$res2 = `curl -s '$url'`;
#	print $res2;

	foreach ($res2)
	{
#		if (/"translatedText":\s*"(.*)"/)
		if (/<string[^>]*>(.*)/)
		{
			$result = $1;
		}
	}

	$cache{$query} = $result;
}

$omit = 0;

if ($cache{"last"})
{
	if ($cache{"last"} eq $query)
	{
		$omit = 1;
	}
}

if (not $omit)
{
	print "$tag $result\n";
}

$cache{"last"} = $query;

untie %cache;