Mine

#!/bin/bash
#reliability de RoadRunner

DATE=`date "+Date courante: %Y-%m-%d%nHeure: %H:%M:%S"

ping -c 10 216.239.59.104 1>${log_1} 2>&1
ping -c 10 212.27.48.10 1>${log_2} 2>&1
ping -c 10 194.246.101.196 1>${log_3} 2>&1
ping -c 10 212.58.224.131 1>${log_4} 2>&1


i=0                                                                                                                                                                                         │
 while [ ${i} -le 3 ]; do                                                                                                                                                                    │
var=$(tail -n 1 ${log_${i}} | awk 'print $7 $8')                                                                                                                                              │
if [ ${#var} -gt 10 ]; then                                                                                                                                                                 │
echo -n " $(echo ${var} | sed -E 's/(.{8}).*/\1/')[...])"                                                                                                                                   │
else                                                                                                                                                                                        │
j=0                                                                                                                                                                                         │
while [ ${j} -lt $(( 10 - ${#var})) ]; do                                                                                                                                                   │
echo -n " "                                                                                                                                                                                 │
j=$((${j} + 1))                                                                                                                                                                             │
 done                                                                                                                                                                                        │
 fi
`