Files/Folders Meta Info

This node adds meta information about the files and folders referenced by the selected column. At least the following information are covered:

Directory: Indicator whether or not the path points to a directory
Size: The size of the file/folder
Size (human readable): The size of the file/folder in a human readable form
Last modified date: The last time the file was modified
Created date: The time the file was created
Exists: Indicator whether or not the file/folder exists

This node can access a variety of different file systems. More information about file handling in KNIME can be found in the official File Handling Guide.

Options

Column name: Column containing the paths to the files/folders whose meta information must be extracted.
Fail if file/folder does not exist: If checked, the node fails if any of the referenced files or folders does not exist.
Calculate overall folder size: If checked, the size of the folder itself plus everything located within this folder is being calculated, otherwise solely the folder's size is being calculated.
Append permissions: If checked, the file/folder permissions, i.e., readable, writable, and executable flags will be appended to the output. In case the file system does not provide access to these attributes missing values are written to the output.
Note: The meaning of the executable flag with respect to folders is file system depended, e.g., on UNIX systems this flag is true if the JVM has permissions to search the directory.
Append POSIX attributes: If checked, a set of columns that capture POSIX attributes (owner, group and permission bits) will be appended to the output. In case the file system does not provide access to these attributes missing values are written to the output.
Note: The meaning of the permission bits depend on the actual file system.

Input Ports

: Table that contains a path column.
…: The file system connection.

Output Ports

: Input table plus additional columns storing the files/folders meta information.

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Installation

To use this node in KNIME, install the extension KNIME Base nodes from the below update site following our NodePit Product and Node Installation Guide:

v5.9

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.9.0.v202511131446

On NodePit since: 2025-12-11

Last update: 2026-01-08

KNIME versions: Since v4.3

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