[Shell] Determine network conditions and add timestamps

A recent need to do a real-time statistical network situation and statistics of the error rate of the script, the following is a stackexchange on the plagiarism, although not fully satisfied, but only can output some information

#!/bin/Bashhost=$1if[-Z $host]; Then    Echo "Usage: ' basename $ ' [HOST]"Exit1fi while:; Doresult=`Ping-W1-C1$host |grep 'bytes from'`    if[$?-gt0]; Then        Echo-E"' date + '%y/%m/%d%h:%m:%s '-host $host is \033[0;31mdown\033[0m"    Else         Echo-E"' date + '%y/%m/%d%h:%m:%s '-host $host is \033[0;32mok\033[0m-' echo $result | cut-d ': '-F 2 '"        Sleep 1# AvoidPingRainfi Done

[Shell] Determine network conditions and add timestamps