PICRUSt2 ID Annotator

This tool annotates functional IDs (KO, EC, Pfam, COG, TIGRFAM, etc.) from PICRUSt2 outputs using official mapfiles.

✅ Features

• Supports any combination of PICRUSt2 mapfiles (*.gz, *.txt, *.tsv)
• Works with KEGG, MetaCyc, Pfam, GO, TIGRFAM, and more
• Easy to run in Bash

📦 Requirements

• Bash
• Standard tools: grep, cut, tail, head

🚀 Usage

bash annotate_ids.sh example/ID_FILE.csv mapfiles/ko_name.txt.gz mapfiles/ec_name.txt.gz

📥 Optional: Download Mapping Files

bash download_mapfiles.sh

🧪 Example

See the example/ folder for a test file.