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module Spreadsheet
##
# Parent Class for all Writers. Implements the copying of unmodified
# Spreadsheet documents.
class Writer
def initialize io_or_path
@io_or_path = io_or_path
end
def write workbook
if @io_or_path.respond_to? :seek
@io_or_path.binmode
write_workbook workbook, @io_or_path
else
File.open(@io_or_path, "wb+") do |fh|
write_workbook workbook, fh
end
end
end
private
def write_workbook workbook, io
reader = workbook.io
unless io == reader
reader.rewind
data = reader.read
io.rewind
io.write data
end
end
end
end
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