ComfyUI Node: is file

Class Name

Basic data handling: PathIsFile

Category
Basic/Path
Author
StableLlama (Account age: 861days)
Extension
Basic data handling
Latest Updated
2026-05-07
Github Stars
0.04K

How to Install Basic data handling

Install this extension via the ComfyUI Manager by searching for Basic data handling
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter Basic data handling in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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is file Description

PathIsFile node checks if a path points to a regular file, returning a boolean for validation.

is file:

The PathIsFile node is designed to determine whether a given path points to a regular file. This node is particularly useful when you need to verify the existence and type of a file within a file system. By returning a boolean value, it simplifies the process of checking file paths, allowing you to easily integrate file validation into your workflows. This functionality is essential for ensuring that operations intended for files are not mistakenly applied to directories or non-existent paths, thereby preventing potential errors in file handling processes.

is file Input Parameters:

path

The path parameter is a string input that specifies the file path you want to check. It plays a crucial role in determining whether the specified path points to a regular file. The node evaluates this path to verify its existence and type. The default value for this parameter is an empty string, which means if no path is provided, the node will not perform any meaningful check. There are no explicit minimum or maximum values for this parameter, but it should be a valid file path string for the node to function correctly.

is file Output Parameters:

is file

The is file output is a boolean value that indicates whether the specified path points to a regular file. If the path exists and is a file, the output will be True; otherwise, it will be False. This output is crucial for decision-making processes in workflows that require file validation, as it helps to ensure that subsequent operations are performed on valid file paths.

is file Usage Tips:

  • Ensure that the path parameter is correctly specified as a string representing the file path you wish to check. This will help avoid unnecessary errors and ensure accurate results.
  • Use this node in conjunction with other path-related nodes to build comprehensive file handling workflows, such as checking if a path exists before verifying if it is a file.

is file Common Errors and Solutions:

Basic data handling: Save failed - no path specified

  • Explanation: This error occurs when the path parameter is not provided or is an empty string, preventing the node from performing the file check.
  • Solution: Ensure that you provide a valid file path string in the path parameter before executing the node.

Incorrect path format

  • Explanation: If the path provided is not in a valid format or does not exist, the node will return False, indicating that it is not a file.
  • Solution: Double-check the path format and ensure that the file exists at the specified location. Correct any typos or errors in the path string.

is file Related Nodes

Go back to the extension to check out more related nodes.
Basic data handling
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is file