How do you echo a 4-digit Unicode character in Bash?

Question

I\'d like to add the Unicode skull and crossbones to my shell prompt (specifically the \'SKULL AND CROSSBONES\' (U+2620)), but I can\'t figure out the magic incantation to m

Answer 1

Quick one-liner to convert UTF-8 characters into their 3-byte format:

var="$(echo -n '☠' | od -An -tx1)"; printf '\\x%s' ${var^^}; echo