dfr concat-str for expression

Creates a concat string expression.

WARNING

Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe flag

Signature

> dfr concat-str {flags} (separator) (concat expressions)

Parameters

  • separator: Separator used during the concatenation
  • concat expressions: Expression(s) that define the string concatenation

Input/output types:

inputoutput
anyany

Examples

Creates a concat string expression

> let df = ([[a b c]; [one two 1] [three four 2]] | dfr into-df);
    $df | dfr with-column ((dfr concat-str "-" [(dfr col a) (dfr col b) ((dfr col c) * 2)]) | dfr as concat)
╭───┬───────┬──────┬───┬──────────────╮
 # │   a   │  b   │ c │    concat    │
├───┼───────┼──────┼───┼──────────────┤
 0  one    two   1  one-two-2    
 1  three  four  2  three-four-4 
╰───┴───────┴──────┴───┴──────────────╯