Qshell Interpreter (qsh) - FTP Directory Listing - IBM

Examples
1. List all variables and their values: set
2. List all option settings: set -o
3. Set positional parameters $1, $2, $3: set alpha beta gamma
4. Set the allexport and notify options: set -o allexport -o notify
5. Set the verbose and xtrace options: set -xv
6. Unset the xtrace option: set +x
7. Unset the notify option: set +o notify
8. Unset all positional parameters: set —
[ Legal | AS/400 Glossary ]
shift - Shift positional parameters
Synopsis
Description
Options
Operands
Exit status
shift [ n ]
You can use shift to shift the positional parameters to the left by n. Positional
parameter 1 is assigned the value of positional parameter (1+n), positional
parameter 2 is assigned the value of positional parameter (2+n), and so forth. The
special parameter # is updated with the new number of positional parameters.
None.
Related information
Examples
The value of n must be an unsigned integer less than or equal to the special
parameter #. Ifnis not specified, the default value is 1. If n is 0, there are no
changes to the positional parameters.
v 0 when successful.
v >0 when n is invalid.
v “set - Set or unset options and positional parameters”
1. Shift the positional parameters by two: shift 2
[ Legal | AS/400 Glossary ]
Chapter 4. Utilities 97