Han Zhang zhanghan177

## bash_strict_mode.md

      
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                zhanghan177
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              Created
              October 28, 2021 18:43
                — forked from mohanpedala/bash_strict_mode.md
            
              
                set -e, -u, -o, -x pipefail explanation
              
          
    set -e, -u, -x, -o pipefail

The set lines

These lines deliberately cause your script to fail. Wait, what? Believe me, this is a good thing.
With these settings, certain common errors will cause the script to immediately fail, explicitly and loudly. Otherwise, you can get hidden bugs that are discovered only when they blow up in production.


set -euxo pipefail is short for:

set -e
set -u


## main.html
<!DOCTYPE html>
<head>
  <title>{{ title }}</title>
</head>

<body>
  <h1>PLANT HELPLINE</h1>
  <h2>The date and time on the server is: {{ time }}</h2>
  <h2> {{ text }} </h2>
  <a href="/auto/water/ON"><button>Turn ON Auto Watering</button></a>

## water.py
# External module imp
import RPi.GPIO as GPIO
import datetime
import time

init = False

GPIO.setmode(GPIO.BOARD) # Broadcom pin-numbering scheme

def get_last_watered():

## auto_water.py
import water

if __name__ == "__main__":
    water.auto_water()
	<!DOCTYPE html>
	<head>
	<title>{{ title }}</title>
	</head>

	<body>
	<h1>PLANT HELPLINE</h1>
	<h2>The date and time on the server is: {{ time }}</h2>
	<h2> {{ text }} </h2>
	<a href="/auto/water/ON"><button>Turn ON Auto Watering</button></a>
	# External module imp
	import RPi.GPIO as GPIO
	import datetime
	import time

	init = False

	GPIO.setmode(GPIO.BOARD) # Broadcom pin-numbering scheme

	def get_last_watered():