Shell's For loop

To the basic structure of the For loop:

The condition of the for variable name in the loop;

Command

Done

Example 1

[email protected] ~]# cat for1.sh

#/bin/bash

For i in ' SEQ 1 5 ';d o

Echo $i

Done

The "condition of the loop" here can be written as a set of strings or numbers (separated by 1 or more spaces), or it can be a command

Line Result:

[[email protected] ~]# for I in 1 2 3 4 5 6; Do echo $i;d one

You can also write the execution results of a reference system command

For i in ' ls ';d o echo $i;d one

Shell's For loop