Sha256: 18e70ba63f2739e4295530340507ada30600ecf5ec0cb7fa951cb6cd79ff4c6f
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Size: 1.13 KB
Versions: 311
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Stored size: 1.13 KB
Contents
module TSV
def self.melt(tsv, key_field, header_field, fields, *info_fields, &block)
dumper = TSV::Dumper.new :key_field => "ID", :fields => [key_field] + info_fields, :type => :list
dumper.init
TSV.traverse tsv, :into => dumper, :fields => info_fields do |k,values|
values = [values] if tsv.type == :single
values = values.collect{|v| [v]} if tsv.type == :list
values = Misc.zip_fields(values) if tsv.type == :double
res = []
values.each_with_index do |value,i|
info_values = if block_given?
new = block.call value
next if new.nil?
new
else
value
end
info_values = [info_values] unless tsv.type == :double
id = [k, i] * ":"
res << [id, [k] + [info_values].flatten]
end
res.extend MultipleResult
res
end
end
def melt(header_field = nil, *info_fields, &block)
info_fields = fields if info_fields.nil? || info_fields.empty?
TSV.melt self, key_field, header_field, fields, *info_fields, &block
end
end
Version data entries
311 entries across 311 versions & 1 rubygems