dfr concat-str for expression

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:

Examples

Creates a concat string expression

>letdf= ([[abc]; [onetwo1] [threefour2]] |dfr into-df);
$df|dfr with-column ((dfr concat-str"-" [(dfr cola) (dfr colb) ((dfr colc) *2)]) |dfr asconcat)
╭───┬───────┬──────┬───┬──────────────╮
│# │   a   │  b   │ c │    concat    │
├───┼───────┼──────┼───┼──────────────┤
│0│one│two│1│one-two-2│
│1│three│four│2│three-four-4│
╰───┴───────┴──────┴───┴──────────────╯

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