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csv-hash

Will import a CSV as an array of hashes. Or will export a CSV from an array of hashes (if given a column list).

Usage

Parse a csv to an array of hashes

array_of_hashes, columns = CSVHash('path_to_csv.csv')

Note the hash will have strings for keys and will remove all surrounding whitespace

Generate a string from an array of hashes and a column list

string = CSVHash(array_of_hashes,[:column,"names","in",:order])

Nested Hashes

csv-hash supports nested hashes. A column tree of the structure (note the double underscore):

one,two__foo,two__bar__three,two__bar__four
 1,    2,          3,              4,

will generate:

{
  'one' => '1',
  'two' => {
    'foo' => '2',
    'bar' => {'three' => '3', 'four' => '4'}
  }
}

Todo

  • Remove dependency on Fast CSV

  • Support auto column generation

  • Generate hash of arrays

  • Turn into CSVHash object which contains column structure and other metadata

  • Sequel integration

  • Arbitrary model support

Note on Patches/Pull Requests

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don’t break it in a future version unintentionally.

  • Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

  • Send me a pull request. Bonus points for topic branches.

Copyright © 2010 Tal Atlas. See LICENSE for details.

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A gem for interacting with CSVs as hashes

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