Changing the quote-character in csv parsing

I have a bunch of files containing lines as comma-seperated values.
Unfortunately, the character used for quoting is a single quote (’) and
not the double quote ("). How can I tell the csv library (or fastercsv
or any other csv-parsing library) which character is used for quoting?
Some of the files contain fields like ‘quoted, but with comma’, which
are seperated into two fields at the comma:
irb(main):003:0> line = “one, ‘quoted’, ‘quoted, but with comma’”
=> “one, ‘quoted’, ‘quoted, but with comma’”
irb(main):006:0> CSV::parse_line(‘some words “some quoted text” some
more words’, ’ ')
=> [“some”, “words”, “some quoted text”, “some”, “more”, “words”]
irb(main):001:0> require ‘rubygems’
=> true
irb(main):002:0> require_gem ‘fastercsv’
=> true
irb(main):004:0> line.parse_csv
=> [“one”, " ‘quoted’", " ‘quoted", " but with comma’"]

The output should be [“one”, “‘quoted’”, “‘quoted, but with comma’”]

I already have searched the rdoc for the csv library without any

Don’t know how it is with fastercsv but csv.rb has double quote
hardcoded as
I understand. I think best is to substitute all double quots in your
with single and vice versa. You can do it with gsub this way:

line.gsub!(/’|"/){ |c|
if c == “’”


Jan Topinski wrote:



“He said, “I don’t care.””.tr("’"", “”’")

ups me blind :wink:

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