Colander

Colander is a gem to collect emails from various file formats.

Supported formats

• "Old" Ms Excel files, ending in .xls
• Ms Excel files ending with .xlsx
• CSV, Comma-separated values
• Plain text files

parser = Colander.parse("/path/to/file.xls")
parser.emails # => ["foo@bar.com"]

or

parser = Colander.parse("/path/to/file_without_extension", "filename.xlsx")
parser.emails # => ["foo@bar.com"]