unicode - How can I apply a combining diacritic to a string in bash -

i want apply combining diacritic (unicode) sequence of chars, not 1 character.

i've come with

var="world" echo hello $var$'\u030a' 

but applies diacritic d only. how can achieve applied world?

try this.

warp () {  # misspelled "wrap" don't want change (-:     case "$1" in '') ;;      *) echo "${1:0:1}"$'\u030a'"$(warp "${1:1}")";;     esac }