循环语句
for
示例1
shell
for ((;;))
do
read var
if [ "$var" = "." ]; then # 直到用户输入.才跳出循环
break
fi
done
示例2
shell
#!/bin/bash
for number in 1 2 3 4 5 6
do
echo "number is $number"
if [ "$number" = "3" ]; then
break
fi
done
while
示例
shell
#!/bin/bash
number=0
while [ "$number" -lt 10 ]; do
echo "Number = $number"
number=$((number + 1))
done