--- Net::FTP#put(localfile, remotefile = File.basename(localfile), blocksize = DEFAULT_BLOCKSIZE)
--- Net::FTP#put(localfile, remotefile = File.basename(localfile), blocksize = DEFAULT_BLOCKSIZE) { |data| .... }

    binaryͤ˽äƥե localfile 
    remotefile ե̾Ȥ⡼ȥե¸ޤ
    remotefileάlocalfileΥ١͡ब
    ꤵޤ
    block_sizeάDEFAULT_BLOCLSIZEꤵޤ
    ͤ binary ǤȤΤͭǤ

    ֥åͿ줿ϤΥǡ뤴Ȥˡ
    ǡ data ƥ֥åɾޤ
    ֥åǸɾȤ줿ͤ put ͤˤʤޤ

    ֥åͿʤä put ͤ nil Ǥ

