bash и get кракозябры

$ urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }
$ x="%d0%9f%d0%a0%d0%98"
$ echo $(urldecode "$x")
ПРИ

$ sudo apt install gridsite-clients
$ urlencode -d http://help.ubuntu.ru/wiki/%D1%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%BD%D1%8B%D0%B5_%D0%BF%D1%80%D0%B0%D0%B2%D0%B0_unix
http://help.ubuntu.ru/wiki/стандартные_права_unix

urldecode() { : "${1//+/ }"; echo -e "${_//%/\\x}"; }

#!/bin/bash

urldecode() {
        local t=${!1}
        t=${t//+/ }
        t=${t//%/\\x}
        printf -v $1 "$t"
}
x="%d0%9f%d0%a0%d0%98"
urldecode x
echo "$x"

#!/bin/bash

urldecode2() {
        printf -v $1 "${!1//%/\\x}"
}
urldecode() {
        eval $1=\${!1//+/ }
        urldecode2 $1
}

x="%d0%9f+%d0%98"
urldecode x
echo "$x"