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README.md

CSV::AutoParser

CSV::AutoParser automatically parses a CSV file given a user specified header row and adds method style accessors to the CSV::Row data.

All functionality of the standard Ruby CSV class is accessible since CSV::AutoParser inherits from CSV. CSV::AutoParser objects behave just like CSV objects when not provided a block (though method style accessors will still be avaliable on CSV::Row objects).

Installation

$ gem install csv-autoparser

Usage

require 'csv/autoparser'

data = <<CSV
this is,not,the header
the real header,is easy,to find
name,Job title,age
Jon Smith,blacksmith,55
Jimmy Johnson,farmer,34
Kimmy Kimmson,pig wrangler,29
CSV

# ID header row by CSV line number.
csv = CSV::AutoParser.new(data) {|line_number, header_row| line_number == 3 }
csv.each {|row| puts "#{row.name} is a #{row.age} year old #{row.job_title}." }
# Jon Smith is a 55 year old blacksmith.
# Jimmy Johnson is a 34 year old farmer.
# Kimmy Kimmson is a 29 year old pig wrangler.

# -OR- ID header row by column header names.
csv = CSV::AutoParser.new(data) do |line_num, header_row| 
  ["name", "Job title"].all? {|field| header_row.include?(field) } 
end
csv.is_a?(CSV)        # => true
table = csv.read      # => CSV::Table
table.first.name      # => "Jon Smith"
table[-1].job_title   # => "pig wrangler"

More usage examples can be seen in examples/.

Contributing

  1. Fork it ( http://github.com/bdiz/csv-autoparser/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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CSV::AutoParser automatically parses a CSV file given a user specified header row and adds method style accessors to the CSV::Row data.

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