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====== Option +col_sep+
Specifies the \String field separator to be used
for both parsing and generating.
The \String will be transcoded into the data's \Encoding before use.
Default value:
CSV::DEFAULT_OPTIONS.fetch(:col_sep) # => "," (comma)
For examples in this section:
ary = ['a', 'b', 'c']
Using the default:
str = CSV.generate_line(line)
str # => "a,b,c\n"
ary = CSV.parse_line(str)
ary # => ["a", "b", "c"]
Using +:+ (colon):
col_sep = ':'
str = CSV.generate_line(ary, col_sep: col_sep)
str # => "a:b:c\n"
ary = CSV.parse_line(str, col_sep: col_sep)
ary # => [["a", "b", "c"]]
Using +::+ (two colons):
col_sep = '::'
str = CSV.generate_line(ary, col_sep: col_sep)
str # => "a::b::c\n"
ary = CSV.parse_line(str, col_sep: col_sep)
ary # => [["a", "b", "c"]]
---
Raises an exception if given the empty \String:
col_sep = ''
# Raises ArgumentError (:col_sep must be 1 or more characters: "")
CSV.parse_line("a:b:c\n", col_sep: col_sep)
Raises an exception if the given value is not String-convertible:
col_sep = BasicObject.new
# Raises NoMethodError (undefined method `to_s' for #<BasicObject:>)
CSV.generate_line(line, col_sep: col_sep)
# Raises NoMethodError (undefined method `to_s' for #<BasicObject:>)
CSV.parse(str, col_sep: col_sep)
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