${name:F:<expr>:}: Repeat modifier

Repeats the immediately following modifier up to <expr> times. <expr> is an arithmetic expression.

Use :f to repeat until the value does not change anymore.

Links

• The Z Shell Manual on modifiers

Examples

Replace first two values

1 2 3

value="a aa aaa aaaa" echo $value:F:1+1:s/a/z/

Output:

1	z za aaa aaaa

Replace all values

1 2	value="a aa aaa aaaa" echo $value:fs/a/z/

Output:

1	z zz zzz zzzz