PYTHON

program arguments python

#!/usr/bin/python

import sys

for args in sys.argv:
  print(args)

"""
If you were to call the program with subsequent arguments, the output 
will be of the following
Call:
python3 sys.py homie no

Output:
sys.py
homie
no
"""

pass python parameters via cmd

import sys

print('Number of arguments:', len(sys.argv), 'arguments.')
print('Argument List:', str(sys.argv))  # dont forget to upvote 
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pass command line arguments in python

#https://towardsdatascience.com/3-ways-to-handle-args-in-python-47216827831a
import argparse

parser = argparse.ArgumentParser(description='Personal information')
parser.add_argument('--name', dest='name', type=str, help='Name of the candidate')
parser.add_argument('--surname', dest='surname', type=str, help='Surname of the candidate')
parser.add_argument('--age', dest='age', type=int, help='Age of the candidate')

args = parser.parse_args()
print(args.name)
print(args.surname)
print(args.age)

python command line keyword arguments

import argparse

if __name__ == '__main__':
   parser = argparse.ArgumentParser()
   parser.add_argument('--arg1')
   parser.add_argument('--arg2')
   args = parser.parse_args()

   print(args.arg1)
   print(args.arg2)

   my_dict = {'arg1': args.arg1, 'arg2': args.arg2}
   print(my_dict)

python pass arguments in command line

# Python program to demonstrate
# command line arguments
 
 
import getopt, sys
 
 
# Remove 1st argument from the
# list of command line arguments
argumentList = sys.argv[1:]
 
# Options
options = "hmo:"
 
# Long options
long_options = ["Help", "My_file", "Output="]
 
try:
    # Parsing argument
    arguments, values = getopt.getopt(argumentList, options, long_options)
     
    # checking each argument
    for currentArgument, currentValue in arguments:
 
        if currentArgument in ("-h", "--Help"):
            print ("Displaying Help")
             
        elif currentArgument in ("-m", "--My_file"):
            print ("Displaying file_name:", sys.argv[0])
             
        elif currentArgument in ("-o", "--Output"):
            print (("Enabling special output mode (% s)") % (currentValue))
             
except getopt.error as err:
    # output error, and return with an error code
    print (str(err))