Backup all AlphaSmart Neo (2) applets with neotools

backup-applets.sh

#!/bin/bash

# Fetch the list of applets and save the JSON output to a temporary file
sudo neotools applets list > applets.json
sleep 10

jq -c '.[]' applets.json | while read -r applet; do
    applet_id=$(echo "$applet" | jq '.applet_id')
    # sanitize name for filename
    applet_name=$(echo "$applet" | jq -r '.name' | sed 's/[^A-Za-z0-9_]/-/g')  

    # Skip the system applet (applet_id = 0)
    if [ "$applet_id" -eq 0 ]; then
        echo "Skipping system applet..."
        continue
    fi

    # Use the extracted applet ID to fetch the applet using neotools
    output_filename="${applet_name}-${applet_id}.OS3KApp"
    echo "Fetching applet ID $applet_id as $output_filename"
    sudo neotools applets fetch "$applet_id" "$output_filename"

    echo "Waiting for the USB connection to stabilize..."
    # This value is completely arbitrary
    sleep 16  
done

rm applets.json

echo "All non-system applets have been successfully fetched."