Shift Command

Shift

The shift command can take a numerical parameter indicating how many positions to shift.

Examples of Shift Command usage:

[ved@localhost ~]$ cat shift.sh #!/bin/bash echo "$@" shift echo "$@" shift echo "$@" [ved@localhost ~]$ sh shift.sh 1 2 3 4 5 1 2 3 4 5 2 3 4 5 3 4 5

[ved@localhost ~]$ cat shift1.sh #!/bin/bash shift 3 echo "$@" exit 0 [ved@localhost ~]$ sh shift1.sh 1 2 3 4 5 4 5

[ved@localhost ~]$ cat shift2.sh #!/bin/bash n=2 shift $n echo "$@" exit 0 [ved@localhost ~]$ sh shift2.sh 1 2 3 4 5 3 4 5

positional-parameters-in-Linux