Super duper arrow printing app. Webscale.

super_arrow.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

'''
Super duper arrow printing app, inspired by

http://stackoverflow.com/questions/18778266/image-making-in-python

Example run:

$ ./super_arrow.py 1 2 3 0 -1 -213 123 9
↑↑↑ ↓↓↑↑

'''

up = "↑"
down = "↓"

import argparse
import sys

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='Arrows for integers')
    parser.add_argument('integers', metavar='N', type=int, nargs='+',
                   help='Enter some integers')

    args = parser.parse_args()

    for num in args.integers:
        if num > 0:
            sys.stdout.write(up)
        elif num < 0:
            sys.stdout.write(down)
        else:
            sys.stdout.write(" ")

    print("")

Example:

$ ./super_arrow.py 1 2 3 0 -1 -213 123 9
↑↑↑ ↓↓↑↑