print_node.md

Print Node

The Print Node provides functionality for writing input data to a file in a specified format. This node uses a format to save data to a file, and the file name can be either a fixed value or dynamically set through the input packet.

Specification

• filename: The name of the file where data will be recorded. If the filename is an empty string, the file name is dynamically set through the input packet. (Optional)

Ports

• in: Receives input packets to be written to a file.
  • If filename is provided: The packet includes the format and optionally arguments for writing to the file.
  • If filename is not provided: The packet includes the file name, format, and optionally arguments for writing to the file.
• out: Returns a packet containing the number of bytes successfully written to the file.
• error: Returns any errors encountered during file writing.

Example

- kind: print
  filename: /dev/stdout
  ports:
    out:
      - name: next
        port: in