soumith / lua---csv

A package to read and write CSV. Provides high-level database-like handlers.

csvigo: a package to handle CSV files (read and write).

Install:

First install Torch7 (www.torch.ch) then simply install this package using torch-rocks:

luarocks install csvigo

Use:

The library provides 2 high-level functions: csvigo.load and csvigo.save. To get help on these functions, simply do:

> help(csvigo.save)
> help(csvigo.load)

Loading a CSV file in 'query' mode gives you a convenient query function that you can use to query subsets of your original CSV file. To get help on this query function, simply do:

> query = csvigo.load{path='somefile.csv', mode='query'}
> query('help')
-- print some help
> all = query('all')
> subset = query('union', {somevar=someval, someothervar={val1, val2}})