mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
29 lines
680 B
Text
29 lines
680 B
Text
====== Option +write_headers+
|
|
|
|
Specifies the boolean that determines whether a header row is included in the output;
|
|
ignored if there are no headers.
|
|
|
|
Default value:
|
|
CSV::DEFAULT_OPTIONS.fetch(:write_headers) # => nil
|
|
|
|
Without +write_headers+:
|
|
file_path = 't.csv'
|
|
CSV.open(file_path,'w',
|
|
:headers => ['Name','Value']
|
|
) do |csv|
|
|
csv << ['foo', '0']
|
|
end
|
|
CSV.open(file_path) do |csv|
|
|
csv.shift
|
|
end # => ["foo", "0"]
|
|
|
|
With +write_headers+":
|
|
CSV.open(file_path,'w',
|
|
:write_headers=> true,
|
|
:headers => ['Name','Value']
|
|
) do |csv|
|
|
csv << ['foo', '0']
|
|
end
|
|
CSV.open(file_path) do |csv|
|
|
csv.shift
|
|
end # => ["Name", "Value"]
|