IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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CSV processor

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CSV processor

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Extracts fields from CSV line out of a single text field within a document. Any empty field in CSV will be skipped.

Table 8. CSV Options

Name	Required	Default	Description
`field`	yes	-	The field to extract data from
`target_fields`	yes	-	The array of fields to assign extracted values to
`separator`	no	,	Separator used in CSV, has to be single character string
`quote`	no	"	Quote used in CSV, has to be single character string
`ignore_missing`	no	`true`	If `true` and `field` does not exist, the processor quietly exits without modifying the document
`trim`	no	`false`	Trim whitespaces in unquoted fields
`empty_value`	no	-	Value used to fill empty fields, empty fields will be skipped if this is not provided. Empty field is one with no value (2 consecutive separators) or empty quotes (`""`)
`if`	no	-	Conditionally execute this processor.
`on_failure`	no	-	Handle failures for this processor. See Handling Failures in Pipelines.
`ignore_failure`	no	`false`	Ignore failures for this processor. See Handling Failures in Pipelines.
`tag`	no	-	An identifier for this processor. Useful for debugging and metrics.

{
  "csv": {
    "field": "my_field",
    "target_fields": ["field1", "field2"]
  }
}

If the trim option is enabled then any whitespace in the beginning and in the end of each unquoted field will be trimmed. For example with configuration above, a value of A, B will result in field field2 having value {nbsp}B (with space at the beginning). If trim is enabled A, B will result in field field2 having value B (no whitespace). Quoted fields will be left untouched.

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