已知三个时间变量：
time1="Fri Aug 23 11:35:21"
time2="Mon Sep 2 16:18:09"
time3="Tue Sep 3 16:06:33"
已知这三个时间可以确定是发生在2011-2013年，如何快速确定是哪一年呢？
希望输出:
time1="2013/8/23 11:35:21"
time2="2013/9/2 16:18:09"
time3="2013/9/3 16:06:33"
#!/bin/bash
time1="Fri Aug 23 11:35:21"
time2="Mon Sep 2 16:18:09"
time3="Tue Sep 3 16:06:33"
time4="Sun Dec 2 16:06:34"
for((i=1;i<=4;i++)); do
for((j=2011;j<=2013;j++)); do
str=$(eval echo \$time$i)
WEEK_DAY=$(date -d "${str:0:10} $j ${str:10}" "+%a")
if [ "${str:0:3}" == $WEEK_DAY ]; then
echo time$i=\"$(date -d "${str:0:10} $j ${str:10}" "+%Y/%m/%d %T")\"
# break
fi
done
done