Using shift, we can change the parameter to which $1 and $2 are pointing to the next variable.
Create script shift_01.sh, as follows:
#!/bin/bash echo "All Arguments Passed are as follow : " echo $* echo "Shift By one Position :" shift echo "Value of Positional Parameter $ 1 after shift :" echo $1 echo "Shift by Two Positions :" shift 2 echo "Value of Positional Parameter $ 1 After two Shifts :" echo $1
Execute the following command:
$ chmod +x shift_01.sh$ ./shift_01.sh One Two Three Four
The output is as follows:
[student@localhost ~]$ ./shift_01.sh One Two Three FourAll arguments passed are as follows:One Two Three FourShift by one position.Here, the value of the positional parameter $1 after shift is:TwoShift by two ...