判断一串字符是属于什么字符集的程序，如判断是否属于utf-8,gb2312

segment,一个简单的中文分词程序，命令行如下： java -jar segmenter.jar [-b|-g|-8|-s|-t] inputfile.txt -b Big5, -g GB2312, -8 UTF-8, -s simp. chars, -t trad. chars Segmented text will be saved to inputfile.txt.seg

将gb2312编码的字符转换为UTF-8编码的字符。-convert gb2312 char to utf-8 char