unix script to compute and save in csv file the ram and cpu consumed by python script input.py every

#!/bin/bash

# Define the CSV file
LOG_FILE="usage_log.csv"

# Write the CSV header
echo "Timestamp,CPU_Usage(%),RAM_Usage(MB)" > "$LOG_FILE"

# Run the Python script in the background
python input.py &
PID=$!  # Get the process ID of input.py

echo "Monitoring process ID: $PID"

# Monitor every minute
while kill -0 $PID 2> /dev/null; do
    # Get CPU and RAM usage of the process
    CPU=$(ps -p $PID -o %cpu --no-headers | awk '{print $1}')
    RAM=$(ps -p $PID -o rss --no-headers | awk '{print $1 / 1024}') # Convert KB to MB

    # Get the current timestamp
    TIMESTAMP=$(date +"%Y-%m-%d %H:%M:%S")

    # Append data to the CSV file
    echo "$TIMESTAMP,$CPU,$RAM" >> "$LOG_FILE"

    # Wait for 60 seconds before next reading
    sleep 60
done

echo "Process $PID has ended. Monitoring stopped."