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Configure CSV options (liberal_parsing for unescaped quotes, quote_char: nil vs empty string, skip_blanks combined with strip, quote_empty, and CRLF row_sep) to avoid MalformedCSVError, ArgumentError, and silent whitespace row parsing

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목표: Configure CSV options (liberal_parsing for unescaped quotes, quote_char: nil vs empty string, skip_blanks combined with strip, quote_empty, and CRLF row_sep) to avoid MalformedCSVError, ArgumentError, and silent whitespace row parsing HOW
패키지: csv 3.3.2
환경: ruby
생성일: 2026-08-16T15:25:33Z

assert RFC 4180 strict parsing raises CSV::MalformedCSVError on unescaped internal quotes and backslash quotes unless liberal_parsing is enabled
assert disabling quotes requires quote_char: nil whereas quote_char: "" raises ArgumentError
assert skip_blanks: true alone does not skip whitespace-only lines without strip: true
assert nil_value and empty_value explicitly differentiate unquoted empty fields from quoted empty string fields
assert CSV.generate with quote_empty: false emits unquoted empty fields instead of quoted empty strings
assert field_size_limit raises CSV::MalformedCSVError when field length exceeds configured threshold
assert skip_lines ignores rows matching pattern without raising syntax errors
assert explicit row_sep: "\n" raises CSV::MalformedCSVError on CRLF data due to carriage return in unquoted fields

ruby 3 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · rubygems@1 · 2026-08-16 · ed25519:d91480838ac982c9