我正在制作一个bash脚本,显示基于用户输入的等级。但是,它正在返回错误的等级,我无法弄清楚为什么。我发布了下面的代码。我对bash脚本也很陌生。我的Bash脚本工作不正常
#!/bin/bash
echo "Enter assignment mark (0 to 40): "
read assignment
echo "Enter Test1 mark (0 to 15): "
read test1
echo "Enter Test2 mark (1 to 15): "
read test2
echo "Enter Final Exam mark (1 to 30): "
read final
((sum = ($assignment/40 * 40) + ( $test1/15 *15) + ($test2/15 * 15) + ($final/30 * 30)))
if [ $sum -ge "90" ] && [ $sum -le "100" ]
then
echo "Your final grade is an A+."
elif [ $sum -ge "85" ] && [ $sum -le "89" ]
then
echo "Your final grade is a A."
elif [ $sum -ge "80" ] && [ $sum -le "84" ]
then
echo "Your final grade is a A-."
elif [ $sum -ge "77" ] && [ $sum -le "79" ]
then
echo "Your final grade is a B+."
elif [ $sum -ge "73" ] && [ $sum -le "76" ]
then
echo "Your final grade is a B."
elif [ $sum -ge "70" ] && [ $sum -le "72" ]
then
echo "Your final grade is a B-."
elif [ $sum -ge "67" ] && [ $sum -le "69" ]
then
echo "Your final grade is a C+."
elif [ $sum -ge "63" ] && [ $sum -le "66" ]
then
echo "Your final grade is a C."
elif [ $sum -ge "60" ] && [ $sum -le "62" ]
then
echo "Your final grade is a C-."
elif [ $sum -ge "57" ] && [ $sum -le "59" ]
then
echo "Your final grade is a D+."
elif [ $sum -ge "53" ] && [ $sum -le "56" ]
then
echo "Your final grade is an D."
elif [ $sum -ge "50" ] && [ $sum -le "52" ]
then
echo "Your final grade is an D-."
elif [ $sum -le "49" ]
then
echo "Your final grade is an F. Sorry!"
fi
你能澄清一下“不正常工作”的含义吗?你看到了什么?你能指望什么? – 2013-03-26 15:18:30
总和线假设计算的是多少?为什么/ 40 * 40? – nhed 2013-03-26 15:23:30
为什么不只是总结数字而不是乘以相同的数字呢? :D – 2013-03-26 15:26:22