第二十七节 循环for和while

for n in 1 2 4
do
echo $n
done

for n in {1..4}
do
echo $n
done

for n in {1,2,3}
do
echo $n
done

for ((i=0;i<=5;i++))
do
echo $i
done

 

 

i=0
while [ $i -le 10 ]
do
i=$(($i+1))
echo $i
done