11 lines
327 B
Factor
11 lines
327 B
Factor
USING: csv io.encodings.utf8 kernel math.parser sequences ;
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IN: rosetta-code.csv-manipulation
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: append-sum ( seq -- seq' )
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dup [ string>number ] map-sum number>string suffix ;
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: csv-sums ( seq -- seq' )
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[ 0 = [ "SUM" suffix ] [ append-sum ] if ] map-index ;
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"example.csv" utf8 [ file>csv csv-sums ] [ csv>file ] 2bi
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