# node index.js --dir=[path-to-dir] --lang=[lang-code] --encode=[subrip-file-encode]
node index.js --dir=./source --lang=zh-CN --encode=GB2312

# node index.js --file=[path-to-file] --lang=[lang-code] --encode=[subrip-file-encode]
node index.js --file=./source/en.srt