Name
shift
Synopsis
shift [n]Shift positional arguments (e.g., $2 becomes $1). If n is given,
shift to the left n places. Used in while loops to iterate through
command-line arguments. In the Korn shell, n
can be an integer expression.
Examples
shift $1+$6 Korn shell: use expression result as shift count shift $(($1 + $6))Same, portable to any POSIX shell
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