out() in Ruby
By: Jeeva in Ruby Tutorials on 2009-03-03
out(options = "text/html") {|| ...}Print an HTTP header and body to $DEFAULT_OUTPUT ($>)
The header is provided by options, as for header(). The body of the document is that returned by the passed- in block. This block takes no arguments. It is required.
cgi = CGI.new
cgi.out{ "string" }
# Content-Type: text/html
# Content-Length: 6
#
# string
cgi.out("text/plain") { "string" }
# Content-Type: text/plain
# Content-Length: 6
#
# string
cgi.out("nph" => true,
"status" => "OK", # == "200 OK"
"server" => ENV['SERVER_SOFTWARE'],
"connection" => "close",
"type" => "text/html",
"charset" => "iso-2022-jp",
# Content-Type: text/html; charset=iso-2022-jp
"language" => "ja",
"expires" => Time.now + (3600 * 24 * 30),
"cookie" => [cookie1, cookie2],
"my_header1" => "my_value",
"my_header2" => "my_value") { "string" }
Content-Length is automatically calculated from the size of the String returned by the content block.
If ENV['REQUEST_METHOD"] == "HEAD", then only the header is outputted (the content block is still required, but it is ignored).
If the charset is "iso-2022-jp" or "euc-jp" or "shift_jis" then the content is converted to this charset, and the language is set to "ja".
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