Linux Shell编程(2): for while

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

SERVICES="80222511080002320213306"

forxin$SERVICES
do
echo$x
done

forxinabc
do
echo$x
done

foriin$*#$*是字符串：以"参数1参数2..."形式保存所有参数
do
echo"parameteris$i"
done

foriin*.sh
do
echo$i
done

foriin$(ls*.sh)
do
echo$i
done

array=(a1a2a3)
#array=([0]=a1[1]=a2[2]=a3)
#array[0]=a1array[1]=a2array[2]=a3
echo"thelengthofarrayis${#array[@]}"
foritemin${array[@]}
do
echo"iteminarray:"$item
done

foriin/Users/scg/PycharmProjects/xiaoliang/main/*.py
do
echo$i
done

i=5
while[$i-ge0]
do
echo$i
if[$i-eq2]
thenbreak
fi
i=$[i-1]
done