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📂 Flow

Branch on whether a file/folder exists in RunMacro

What it does

The IF File Exists command checks whether a path exists (a file, a folder, or a folder that contains files), then branches: true jumps to IF, false to ELSE. It supports */? wildcards and variables.

When to use it

Only proceed when a data file is present (e.g. a download).
Check a folder for new files to batch-process.
Skip a step if the output file already exists.

Configuration steps

Add a Flow › IF File Exists command.
Enter the path (variables and * allowed).
To only test whether a folder contains files, tick "Only check whether a folder has files" (default ON — it hides the mode picker).
If you untick it, choose the mode in the dropdown: File / Folder / File or Folder.
Set IF/ELSE labels. Save.

Every option explained

File path

The path to check. Supports {...} variables and */? wildcards.

Only check whether a folder has files

A separate checkbox, ON by default. When on, the command only tests whether the folder at the path contains any files, and hides the mode picker below.

Check mode (when the checkbox is off)

A 3-option dropdown: File, Folder, or File or Folder (either one counts).

IF label / ELSE label

If it exists jump to IF; otherwise jump to ELSE.

Real example

Example: process only when a download exists

IF File Exists, path C:\Downloads, tick "Only check whether a folder has files".
IF label = has_file for the processing steps.
ELSE = wait to wait or exit.

Tips & common mistakes

Use * for pattern checks, e.g. *.csv to catch any new CSV file.