''' ____ ___ _ _ _ / ___| / _ \| | (_) |_ ___ \___ \| | | | | | | __/ _ \ ___) | |_| | |___| | || __/ |____/ \__\_\_____|_|\__\___| Script to read data from a sqlite database /usr/bin/python3 /var/www/moduleair_pro_4g/sqlite/read.py data_NPM 10 Available table are data_NPM data_NPM_5channels data_BME280 data_envea timestamp_table ''' import sqlite3 import sys parameter = sys.argv[1:] # Exclude the script name #print("Parameters received:") table_name=parameter[0] limit_num=parameter[1] # Connect to the SQLite database conn = sqlite3.connect("/var/www/moduleair_pro_4g/sqlite/sensors.db") cursor = conn.cursor() # Retrieve the last 10 sensor readings #cursor.execute("SELECT * FROM data_NPM ORDER BY timestamp DESC LIMIT 10") #cursor.execute("SELECT * FROM data_BME280 ORDER BY timestamp DESC LIMIT 10") #cursor.execute("SELECT * FROM timestamp_table") if table_name == "timestamp_table": cursor.execute("SELECT * FROM timestamp_table") else: query = f"SELECT * FROM {table_name} ORDER BY timestamp DESC LIMIT ?" cursor.execute(query, (limit_num,)) rows = cursor.fetchall() rows.reverse() # Reverse the order in Python (to get ascending order) # Display the results for row in rows: print(row) # Close the database connection conn.close()