
#!/bin/sh
tem.sh及实际运行如下:
[root@vpn ~]# cat text
a 88
b 77
c 58
d 53
e 25
f 92
[root@vpn ~]# cat tem.sh
#!/bin/sh
cat text | sort -k2 | while read line
do
score=`echo $line | cut -d" " -f2`
if [ $score -lt 60 ]
then
echo "$line " >>test.sh
fi
done
[root@vpn ~]# ./tem.sh
[root@vpn ~]# cat test.sh
e 25
d 53
c 58
read -p "inpute number :" nif [ $n -le 20 ] then
echo "D"
else
if [ $n -le 40 ] then
echo "C"
else
if [ $n -le 60 ]then
echo "B"
else
if [ $n -le 80 ]then
echo "A"
else
if [ $n -le 100 ]then
echo "S"
fi
fi
fi
fi
fi
exit 0
#include <stdio.h>main()
{
int i
printf("请输入成绩1-100:")
scanf("%d",&i)
if(i>=90&&i<=100)
printf("优\n")
else if(i>=70&&i<=89)
printf("良\n")
else if(i>=60&&i<=69)
printf("合格\n")
else printf(不合格)
}
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