Write an output marker to stdout that daggle captures and passes to downstream steps. Must be called inside an R step executed by daggle.
Arguments
- name
Character string. Output key name. Must match
[a-zA-Z_][a-zA-Z0-9_]*.- value
Value to emit. Coerced to character with
as.character().
Examples
if (FALSE) { # \dontrun{
output("row_count", nrow(df))
output("model_path", "/tmp/model.rds")
} # }