Python script for grepping and killing particularly processes

kill-processes.py

import subprocess
import click

@click.command()
@click.option('--filters', type=str, default=[], multiple=True)
@click.option('--dry-run', is_flag=True, default=False, help='If set, do not kill anything.')
def cli(filters, dry_run):
    cmd = 'ps aux'
    for f in filters:
        cmd += f' | grep {f}'
    cmd += '| grep -v grep'  # this excludes the grep process
    cmd += '| grep -v kill_processes.py'  # this excludes our script
    output = subprocess.run([cmd], shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
    proc = output.stdout.decode('utf-8').strip().split('\n')
    for p in proc:
        print(p)
        pid = p.split()[1]
        if not dry_run:
            subprocess.call(['kill', '-9', pid])


if __name__ == '__main__':
    cli()