# File tar.rb, line 337
337:     def write( stream )
338:       blocks_written = 0
339: 
340:       @contents ||= ""
341: 
342:       @header.size = @contents.length
343:       @header.chksum = header.compute_checksum
344: 
345:       hdr_bytes = @header.to_s
346: 
347:       stream << hdr_bytes
348: 
349:       extra = RecordHeader.padding( hdr_bytes.length )
350:       stream << "\0" * extra
351: 
352:       blocks_written += ( hdr_bytes.length + extra ) / RecordHeader::RECORD_SIZE
353: 
354:       stream << @contents
355: 
356:       extra = RecordHeader.padding( @contents.length )
357:       stream << "\0" * extra
358: 
359:       blocks_written += ( @contents.length + extra ) / RecordHeader::RECORD_SIZE
360: 
361:       return blocks_written
362:     end