#!/bin/bash
dt1=`date -d "2021/04/26 19:36:59" "+%s"`
dt2=`date -d "2021/04/26 19:37:09" "+%s"`
echo $(($dt2-$dt1))
if [ $(($dt1+10)) -eq $dt2 ]; then
echo "000"
elif [ $(($dt1+10)) -gt $dt2 ]; then
echo "111"
elif [ $(($dt1+10)) -lt $dt2 ]; then
echo "222"
fi
if [ $(($dt1+10)) -ge $dt2 ]; then
echo "1212"
else
echo "1313"
fi
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