1、SHELL编程For语句案例实战
1)For语句固定的语法格式:
For i in (表达式) do 动作1 done
2)For语句案例操作一:
#!/bin/bash for NUM in 1 2 3 4 do echo “$NUM) www.jd.com” done
3)For语句案例操作二:
#!/bin/bash for NUM in $(echo {1..4}) do echo “$NUM) www.jd.com” done
4)For语句案例操作三:
#!/bin/bash COMMAND="$*"for IP in 127.0.0.{1..10} do echo -e "