Open

open

ri

 More than one method matched your request. You can refine
 your search by asking for information on one of:
 
      StringIO::open, StringIO#reopen, Dir::open, Kernel#open,
      IO::sysopen, IO::open, IO::popen, IO#reopen, Tempfile::open,
      Tempfile#open, Logger::LogDevice#open_logfile, Pathname#sysopen,
      Pathname#open, Pathname#opendir, Iconv::open,
      Zlib::GzipWriter::open, Zlib::GzipReader::open

* はてなダイアリーキーワード:open