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Extract: how a field's values are read from a source

Usage

Extract(
  column = NULL,
  file_property = NULL,
  json_path = NULL,
  other_properties = NULL
)

Arguments

column

Optional Character: Column name in a tabular file.

file_property

Optional Character: File property, such as "content" or "filename".

json_path

Optional Character: JSONPath expression.

other_properties

Optional List: Properties without a typed counterpart, keyed by canonical JSON-LD key, with their parsed JSON values.

Value

Extract object.

Author

EDG

Examples

Extract(column = "age")
#> <croissant::Extract>
#>  @ column          : chr "age"
#>  @ file_property   : NULL
#>  @ json_path       : NULL
#>  @ other_properties: NULL