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====== Option +liberal_parsing+ Specifies the boolean or hash value that determines whether CSV will attempt to parse input not conformant with RFC 4180, such as double quotes in unquoted fields. Default value: CSV::DEFAULT_OPTIONS.fetch(:liberal_parsing) # => false For the next two examples: str = 'is,this "three, or four",fields' Without +liberal_parsing+: # Raises CSV::MalformedCSVError (Illegal quoting in str 1.) CSV.parse_line(str) With +liberal_parsing+: ary = CSV.parse_line(str, liberal_parsing: true) ary # => ["is", "this \"three", " or four\"", "fields"] Use the +backslash_quote+ sub-option to parse values that use a backslash to escape a double-quote character. This causes the parser to treat <code>\"</code> as if it were <code>""</code>. For the next two examples: str = 'Show,"Harry \"Handcuff\" Houdini, the one and only","Tampa Theater"' With +liberal_parsing+, but without the +backslash_quote+ sub-option: # Incorrect interpretation of backslash; incorrectly interprets the quoted comma as a field separator. ary = CSV.parse_line(str, liberal_parsing: true) ary # => ["Show", "\"Harry \\\"Handcuff\\\" Houdini", " the one and only\"", "Tampa Theater"] puts ary[1] # => "Harry \"Handcuff\" Houdini With +liberal_parsing+ and its +backslash_quote+ sub-option: ary = CSV.parse_line(str, liberal_parsing: { backslash_quote: true }) ary # => ["Show", "Harry \"Handcuff\" Houdini, the one and only", "Tampa Theater"] puts ary[1] # => Harry "Handcuff" Houdini, the one and only
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