| if condition if test var == value if test -f /file/exists | |
| then then then | |
| command1 command1 command1 | |
| command2 command2 command2 | |
| ... ... ... | |
| commandN commandN commandN | |
| fi fi fi |
| ╔══════════════╦═════════════════════════════════════════════════╦═════════════════════════╗ | |
| ║ System ║ Meaning ║ Variable Value Type ║ | |
| ║ Variable ║ ║ ║ | |
| ╠══════════════╬═════════════════════════════════════════════════╬═════════════════════════╣ | |
| ║ BASH_VERSION ║ Holds the version of this instance of bash. ║ echo $BASH_VERSION ║ | |
| ║ HOSTNAME ║ The name of the your computer. ║ echo $HOSTNAME ║ | |
| ║ HOME ║ The home directory of the current u ║ echo $HOSTNAME ║ | |
| ║ HISTSIZE ║ The number of commands to remember in the ║ echo $HISTSIZE ║ | |
| ║ ║ command history.Default value is 500. ║ ║ | |
| ║ HISTFILESIZE ║ The maximum lines contained in the history file.║ echo $HISTFILESIZE ║ |
| #!/bin/bash | |
| #This is an Example of Single line Comment! | |
| echo "Welcome !!" | |
| #!/bin/bash | |
| echo "Welcome!!" | |
| <<COMMENT | |
| Multiple line Comment : Usage | |
| Commenting two or more lines of a script |
| #!/bin/bash -x | |
| echo "Hello ${LOGNAME}" | |
| echo "Today is $(date)" | |
| echo "Users currently on the machine, and their processes:" |
| Introduction to Shell Scripting | |
| Variables and environment | |
| Decision making | |
| Loops (bash Loops) | |
| Pipes and traps | |
| Functions | |
| Extra concepts |
by MS1029
It is an Operating System that manages a computer. It is entirely free and large number of developers spread over the world who always contribute for its development and existence till date. GNU/Linux is the core component and have different products which are distributions(distros) that vary with
| from flask import Flask | |
| app = Flask(__name__) | |
| @app.route('/') | |
| def hello(): | |
| return 'Hello, World' | |
| if __name__ == "__main__": | |
| app.run |
| import requests | |
| import bs4 | |
| # We create request variable in which we store the content fetched from the website | |
| request = requests.get("https://en.wikipedia.org/wiki/Deep_learning") | |
| # In order to know what type the request | |
| type(request) | |
| # This below line of code gives us the complete data requested from the website |
| def Blog(): | |
| Blog = [ | |
| { | |
| 'id' : KB1, | |
| 'title' : 'Blog 1', | |
| 'body' : 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.', | |
| 'author' : 'Kartic Rao', | |
| 'create date' : '10-07-2018' | |
| 'likes' : "" | |
| }, |
| {% extends 'layout.html' %} | |
| {% block body %} | |
| <h1>{{id}}</h1> | |
| {% endblock%} |
