#!/bin/bash

# Fichier README.md
README="FILES.md"

# Temporary file for new list
TEMP_FILE=$(mktemp)

# Get all .md files in the repository except the README.md
find . -type f -name "*.md" ! -name "README.md" | sort > "$TEMP_FILE"

# Extract the list of .md files from README.md
grep -o '\[.*\](.*\.md)' "$README" | sed 's/^.*(\(.*\))$/\1/' | sort > "${README}.old"

# Compare and update README.md
comm -23 "${README}.old" "$TEMP_FILE" | while read -r file; do
    echo "Removing $file from $README"
    sed -i "\|$file|d" "$README"
done

comm -13 "${README}.old" "$TEMP_FILE" | while read -r file; do
    echo "Adding $file to $README"
    echo "- [$file]($file)" >> "$README"
done

# Clean up
rm "$TEMP_FILE" "${README}.old"

echo "$README has been updated."