${(-)…}: Sort numerically

(-) sorts decimal integers numerically and supports a leading minus sign for negative numbers.

By using (n) instead, only positive integers are sorted correctly.

With an additional (O), the sort order is reversed: ${(-O)name}.

Links

• Zsh manual on parameter expansion flags

Examples

Sort integers

1 2	declare data=(100 -1 2 3 -10) echo "Sorting positive and negative integers: " ${(-)data}

Output:

1	Sorting positive and negative integers: -10 -1 2 3 100