Created
November 17, 2011 00:25
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Command line sparks in Python
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#!/usr/bin/python | |
# coding=utf-8 | |
# Python version of Zach Holman's "spark" | |
# https://github.com/holman/spark | |
# by Stefan van der Walt <stefan@sun.ac.za> | |
""" | |
USAGE: | |
sparks.py [comma,separated,value,list] or [vals separated by spaces] | |
EXAMPLES: | |
spark 1,5,22,13,53 | |
▁▁▃▂▇ | |
spark 0 30 55 80 33 150 | |
▁▂▃▅▂▇ | |
spark 0.1 0.2 0.9 -0.5 | |
▄▅█▁ | |
""" | |
import sys | |
import numpy as np | |
if len(sys.argv) < 2: | |
print __doc__ | |
sys.exit(-1) | |
sparks = np.fromstring('▁▂▃▄▅▆▇█', dtype='S3') | |
values = np.array([float(v) for v in ' '.join(sys.argv[1:]).replace(',', ' ').split()]) | |
if np.unique(values).size != 1: | |
values -= values.min() | |
m = values.max() or 1 | |
values /= m | |
print sparks[np.round(values * (sparks.size - 1)).astype(int)].tostring() |
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