Bash shell in shift usage sharing

This article mainly introduces the use of shift in bash shell, and the friends you need can refer to the following

Shift can be used to move position parameters to the left.
Shell's name is $
The first argument is $
Second argument $
Nth parameter $n
All parameters $@ or $*
Number of parameters $#

Shift default is shift 1
Take the example below:

Copy Code code as follows:

Cat shift.sh
#----------------------------Output text-start----------------------------
#!/bin/bash
Until [-Z ' $] # until all parameters used up
Todo
echo "$@"
Shift
Done
#----------------------------Output text-end----------------------------sh shift.sh 1 2 3 4 5 6 7 8 9
#----------------------------Output text-start----------------------------
1 2 3 4 5 6 7 8 9
2 3 4 5 6 7 8 9
3 4 5 6 7 8 9
4 5 6 7 8 9
5 6 7 8 9
6 7 8 9
7 8 9
8 9
9
#----------------------------Output text-end----------------------------