Reduce filesize of all images in directory

compress.py

import glob, os

command = """
convert {original_file} \
-sampling-factor 4:2:0 \
-strip \
-quality 85 \
-interlace Plane \
-gaussian-blur 0.05 \
-colorspace RGB \
{new_file}
"""

for file in glob.glob("*.jpeg"):
    new_file = "converted/" + file.split(".jpeg")[0] + "_converted.jpeg"
    print(file, new_file)
    current_command = command.format(original_file=file, new_file=new_file)
    stream = os.popen(current_command)
    output = stream.read()
    print(output)