convert-all

#!/usr/bin/env python3

import os
import subprocess
import sys

parameters = sys.argv[1:]
# -density 200
# -background white
# -alpha remove

for _, _, files in os.walk("."):
    for name in files:
        name, ext = os.path.splitext(name)
        if ext == '.pdf':
            command = ["convert"]
            command.extend(parameters)
            command.extend([f'{name}.pdf[0]', f'{name}.png'])
            print(' '.join(command))
            subprocess.run(command)