A simple tool to generate a metadata file intended to be used for feature based molecular networking in GNPS.

Download the file here.

1. Download the files in this repo and unzip.
2. If Python 2 is not set to PATH, do so.

• Follow the instructions here to check if Python 2 is added to PATH and add it if it is not.
• Note that pythonw.exe should also be added to PATH.

3. Install any missing dependencies.

• PyQt4
• pandas 1.0 or higher

1. Run run_metadata_file_generator.bat or metadata_editor.exe to start the program.
2. Use File > Add Files... to add the desired MS files used in your analysis. Alternatively, a tab separated file previously made can be loaded by using File > Open .tsv file....
3. Add an attribute by clicking on Add Attribute. A pop-up window will allow you to enter your attribute (i.e. 'condition', 'strain', etc).
4. Highlight one or more rows and click on Set Attribute to set the attribute value for those rows. A pop-up window will allow you to select which attribute to add for those rows, and a second pop-up window will allow you to enter a value.
5. Save your metadata file using File > Save to .tsv... and selecting your desired output directory and filename.

• Add function to delete rows from the table.
• Add function to delete columns from the table.