${(i)…}: Sort case-insensitively

(i) enables case-insensitive sorting.

Combined with O the sort order is reversed: ${(iO)name}.
Combined with n decimal integers are sorted numerically: ${(in)name}.

Links

• Zsh manual on parameter expansion flags

Examples

Sorting an array

1 2 3

declare data=(z X A a 0 1 10 11 100 111) echo "Default settings: " ${(o)data} echo "Support for negative and integers: " ${(o-)data}

Output:

1 2	Default settings: 0 1 10 100 11 111 a A X z Support for negative and integers: 0 1 10 11 100 111 a A X z