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[root@yonglinux ~]# cat guess.sh
#!/bin/bash#guess number game;n=$[$RANDOM%100]while :
do read -p "please input a number: " n1
n2=`echo $n1 | sed 's/[0-9]//g'`
if [ ! -z $n2 ]
then
echo "your number is not a number."
continue
fi
if [ $n1 == $n ]
then
echo "you are all right."
break
elif [ $n1 -gt $n ]
then
echo "bigger."
continue
else
echo "smaller."
continue
fi
done |
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[root@yonglinux ~]# sh guess.sh
please input a number: 56bigger.please input a number: 33bigger.please input a number: 15bigger.please input a number: 7smaller.please input a number: 10bigger.please input a number: 8smaller.please input a number: 9you are all right.
本文转自 模范生 51CTO博客，原文链接：http://blog.51cto.com/mofansheng/1668683，如需转载请自行联系原作者
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