Hydration Tracker

A daily water intake tracker that helps you build and maintain healthy hydration habits. Log every drink, set personalized daily goals, check your progress throughout the day, and review weekly summaries — all from the command line with local-only data storage.

Commands

Data Storage

• Data directory: ~/.water_reminder/
• Intake data: data.json — JSON object mapping dates (YYYY-MM-DD) to cumulative daily intake in ml
• Goal config: goal.json — stores your current daily goal (default: 2000ml)
• Max history: 30 days of lookback for the history command
• All data is stored locally in JSON format; no external services, accounts, or network access required

Requirements

• Bash 4+
• Python 3 (standard library only — used for JSON read/write)
• Standard POSIX utilities (date, seq)
• No API keys or external dependencies

When to Use

1. Building a daily hydration habit — log each drink throughout the day and let the progress tracker keep you motivated with goal-reached celebrations
2. Checking mid-day progress — use check to see if your intake is on track relative to the time of day, so you can catch up before evening
3. Reviewing weekly trends — run week to see a 7-day summary with emoji indicators showing which days you hit your goal
4. Adjusting your hydration goal — use goal to increase or decrease your daily target based on activity level, weather, or health needs
5. Getting gentle reminders — run remind for evidence-based hydration tips to keep healthy habits top of mind

Examples

# Log 300ml of water
hydration-tracker drink 300

# Quick-log a cup (250ml)
hydration-tracker cup

# Quick-log a bottle (500ml)
hydration-tracker bottle

# Check today's progress
hydration-tracker today