shell(五)

#!/bin/bash

 for i in 1 2 3 4 5

         do 

                 echo $i

         done 

 ~

 #!/bin/bash

 cd /tmp

 ls *.sh > ls.log

 y=1

 for i in $(cat ls.log)

         do

                 echo $y

                         y=$(($y + 1))

         done



 ~

 ~