rhel 7学习第七课

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#!/bin/bash
#this is a test sript
PRICE=$(expr $RANDOM % 1000)
TIMES=0
while true
do
read -p "enter: " INT
let TIMES++
if [ $INT -eq $PRICE ] ; then
echo "sucessful"
echo "$TIMES"
exit 0
elif [ $INT -gt $PRICE ] ; then
echo "high"
else
echo "low"
fi
done