shell for的写法

shell for的四种写法

1. for ((i=0;i<5;i++)) do echo $i; done;
2. for i in {0..4}; do echo $i; done;
3. for i in `seq 0 4`; do echo $i; done; //for i in $(seq 0 4); do echo $i; done;
4. for i in {1,3,5}; do echo $i; done;