File exists

File exists

Description

The File Exists transforms verifies the existence of a file. The filenames to check are read from pipeline fields.

The transform outputs a boolean flag field, indicating whether a file exists or doesn’t.

Hop Engine	✓
Spark	?
Flink	?
Dataflow	?

Options

Option	Description
Transform name	Name of the transform; This name has to be unique in a single pipeline
Filename field	The input field that will contain the filename at runtime
Result fieldname	The name of the field that will contain the boolean flag.
Add filename to result	Enable this option if you want to add the filename to the list of filenames that can be used in the next workflow action.
Include file type	Include the file type in a field.
File type field	The name of the field that will contain the file type as a String: "file", "folder", "imaginary"