Class: Masticate::Relabel

Inherits:
Base
  • Object
show all
Defined in:
lib/masticate/relabel.rb

Overview

relabel a single input file

  • assuming that input file has a single header line

  • assuming that input file is in valid CSV format (no validation)

Instance Attribute Summary

Attributes inherited from Base

#csv_options, #filename, #input, #input_count, #output, #output_count

Instance Method Summary collapse

Methods inherited from Base

#emit, #execute, #get, #initialize, #standard_options, #with_input

Constructor Details

This class inherits a constructor from Masticate::Base

Instance Method Details

#configure(opts) ⇒ Object 



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# File 'lib/masticate/relabel.rb', line 6

def configure(opts)
  standard_options(opts)

  @fields = opts[:fields] or raise "missing fieldnames for relabel"
end

#crunch(row) ⇒ Object 



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# File 'lib/masticate/relabel.rb', line 16

def crunch(row)
  if !@headers
    @headers = @fields
    row = @headers
  end
  row
end

#relabel(opts) ⇒ Object 



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# File 'lib/masticate/relabel.rb', line 12

def relabel(opts)
  execute(opts)
end