Deedle
R Provider
F# ChartingCsvFile
Represents a CSV file. The lines are read on demand from reader.
Columns are delimited by one of the chars passed by separators (defaults to just ,), and
to escape the separator chars, the quote character will be used (defaults to ").
If hasHeaders is true (the default), the first line read by reader will not be considered part of data.
If ignoreErrors is true (the default is false), rows with a different number of columns from the header row
(or the first row if headers are not present) will be ignored.
Instance members
| Instance member | Description |
Cache()
Signature: unit -> CsvFile<'RowType>
|
Returns a new csv with the same rows as the original but which guarantees that each row will be only be read and parsed from the input at most once. |
Filter(predicate)
Signature: predicate:Func<'RowType,bool> -> CsvFile<'RowType>
|
Returns a new csv containing only the rows for which the given predicate returns "true". |
Headers
Signature: string [] option
|
The names of the columns |
NumberOfColumns
Signature: int
|
The number of columns |
Quote
Signature: char
|
The quotation mark use for surrounding values containing separator chars |
Rows
Signature: seq<'RowType>
|
The rows with data |
Save(path, ?separator, ?quote)
Signature: (path:string * separator:char option * quote:char option) -> unit
|
Saves CSV to the specified file |
Save(stream, ?separator, ?quote)
Signature: (stream:Stream * separator:char option * quote:char option) -> unit
|
Saves CSV to the specified stream |
Save(writer, ?separator, ?quote)
Signature: (writer:TextWriter * separator:char option * quote:char option) -> unit
|
Saves CSV to the specified writer |
SaveToString(?separator, ?quote)
Signature: (separator:char option * quote:char option) -> string
|
Saves CSV to a string |
Separators
Signature: string
|
The character(s) used as column separator(s) |
Skip(count)
Signature: count:int -> CsvFile<'RowType>
|
Returns a csv that skips N rows and then yields the remaining rows. |
SkipWhile(predicate)
Signature: predicate:Func<'RowType,bool> -> CsvFile<'RowType>
|
Returns a csv that, when iterated, skips rows while the given predicate returns
|
Take(count)
Signature: count:int -> CsvFile<'RowType>
|
Returns a new csv with only the first N rows of the underlying csv. |
TakeWhile(predicate)
Signature: predicate:Func<'RowType,bool> -> CsvFile<'RowType>
|
Returns a csv that, when iterated, yields rowswhile the given predicate
returns |
Truncate(count)
Signature: count:int -> CsvFile<'RowType>
|
Returns a csv that when enumerated returns at most N rows. |
Static members
| Static member | Description |
AsyncLoad(...)
Signature: (uri:string * separators:string option * quote:char option * hasHeaders:bool option * ignoreErrors:bool option) -> Async<CsvFile>
|
Loads CSV from the specified uri asynchronously |
Load(...)
Signature: (uri:string * separators:string option * quote:char option * hasHeaders:bool option * ignoreErrors:bool option) -> CsvFile
|
Loads CSV from the specified uri |
Load(...)
Signature: (reader:TextReader * separators:string option * quote:char option * hasHeaders:bool option * ignoreErrors:bool option) -> CsvFile
|
Loads CSV from the specified reader |
Load(...)
Signature: (stream:Stream * separators:string option * quote:char option * hasHeaders:bool option * ignoreErrors:bool option) -> CsvFile
|
Loads CSV from the specified stream |
Parse(...)
Signature: (text:string * separators:string option * quote:char option * hasHeaders:bool option * ignoreErrors:bool option) -> CsvFile
|
Parses the specified CSV content |
