tools/seqstat/seqstat.py


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#!/usr/bin/env python3

import argparse

ticks = ["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"]

parser = argparse.ArgumentParser()
parser.add_argument(
    "numbers", metavar="N", type=float, nargs="+", help="a number for the accumulator"
)
args = parser.parse_args()


def histogram(sequence):
    min_val = min(sequence)
    max_val = max(sequence)

    scale = (int(max_val - min_val) << 8) / (len(ticks) - 1)
    if scale < 1:
        scale = 1

    return [ticks[int((int(i - min_val) << 8) / scale)] for i in sequence]


h = histogram(args.numbers)
print("".join(h))