rogeliog rogeliog - 1 year ago 249
Ruby Question

Ruby/Rails CSV parsing, invalid byte sequence in UTF-8

I am trying to parse a CSV file generated from an Excel spreadsheet.

Here is my code

require 'csv'
file ="input_file")
csv = CSV.parse(file)

But I get this error

ArgumentError: invalid byte sequence in UTF-8

I think the error is because Excel encodes the file into
ISO 8859-1 (Latin-1)
and not in

Can someone help me with a workaround for this issue, please

Thanks in advance.

Answer Source

You need to tell Ruby that the file is in ISO-8859-1. Change your file open line to this:"input_file", "r:ISO-8859-1")

The second argument tells Ruby to open read only with the encoding ISO-8859-1.

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