1 barcat -t-1 -ftime='\K' input/ping.txt ?
2 PING google.com(ams15s40-in-x0e.1e100.net (2a00:1450:400e:80d::200e)) 56 data bytes
3 ... icmp_seq=1 time=9.92 ms ---------+
4 ... icmp_seq=2 time=9.38 ms ---------
6 ... icmp_seq=3 time=10.5 ms --------+>
7 ... icmp_seq=4 time=9.90 ms --------+
8 ... icmp_seq=5 time=9.66 ms --------+
9 ... icmp_seq=6 time=9.88 ms --------+
10 ... icmp_seq=7 time=9.44 ms --------+
12 ... icmp_seq=8 time=11.8 ms -------+=-
13 ... icmp_seq=9 time=9.56 ms -------+
14 ... icmp_seq=10 time=10.0 ms -------+
15 ... icmp_seq=11 time=9.48 ms -------+
17 --- google.com ping statistics ---
18 11 packets transmitted, 11 received, 0% packet loss, time 10016ms
19 rtt min/avg/max/mdev = 9.383/9.968/11.810/0.674 ms