Save as `mpall.py`, make executable, and test:

parser.add_argument( "--log-file", help="Save log to file" )

args = parser.parse_args()

parser.add_argument( "--output-summary", help="Save summary to text file" )

# Test 1: Simple echo ./mpall.py -c "echo Task id done" -r id=1 -r id=2 -r id=3

parser.add_argument( "-e", "--env", action="append", default=[], help="Set environment variable (KEY=VALUE)" )

parser.add_argument( "-r", "--replace", action="append", default=[], help="Replacements as key1=val1,key2=val2 (can specify multiple times)" )

def _signal_handler(self, signum, frame): """Handle Ctrl+C gracefully.""" self.logger.warning("Interrupt received, finishing current tasks...") self.cancel = True

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