$@  –  Positional Parameters

$@ expands to the positional parameters $1, $2, etc. producing one field for each parameter.

$* is similar, but only produces a single value, which contains all values at once.

Links

• POSIX specification
• Z Shell manual

Examples

Print positional parameters as multiple values

1 2	set a b for p in "$@"; do echo "value: $p"; done

Output:

1 2	value: a value: b

Print positional parameters as one value

1 2	set a b for p in "$*"; do echo "value: $p"; done

Output:

1	value: a b