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OMD[workshop]:~/local/bin$ OMD[workshop]:~$ ~/lib/cmc/icmpreceiver |python3 ~/local/bin/dump.py |grep --line-buffered  "127.0.0.1" |perl -pe 'use POSIX strftime; print strftime "[%Y-%m-%d %H:%M:%S] ", localtime'
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:24] 127.0.0.1
[2021-09-29 11:44:25] 127.0.0.1

if perl is not possible, you will find here : https://unix.stackexchange.com/questions/26728/prepending-a-timestamp-to-each-line-of-output-from-a-command

the content of ./dump.py

Code Block
#!/usr/bin/env python3

import ipaddress
import sys

def main() -> None:
    while True:
        addr = ipaddress.ip_address(sys.stdin.buffer.read(4))
        sys.stdout.write(f"{addr!s}\n")
        sys.stdout.flush()

if __name__ == "__main__":
    main()
~              

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