rgbhex test data generator

mkrgbhex.py

#!/usr/bin/env python3
import os
import subprocess

url = "https://raw.githubusercontent.com/altercation/vim-colors-solarized/"\
    "master/colors/solarized.vim"
outfile = "rgbhex-test-data.txt"
megabytes = 256

assert not os.path.isfile(outfile)
data = subprocess.check_output(["curl", "-s", url])

with open(outfile, "wb") as f:
    while (f.tell() < megabytes*1024*1024):
        f.write(data)