handle function arguments with read statements

readArgs.sh

#!/usr/bin/env bash
source cmdHandler.sh
echo 'hello'
function test (){
  local args=$1
  echo "Test args: $args"
}
while true; do
  read -p "> " maininput
  # only use the first args (group)
  fixedinput=$(echo ${maininput%% *})
  case "$(echo ${fixedinput})" in
    [Tt]est) test "$maininput";;
    [Ee]xit) exit;;
    [Rr]estart) exit; bash '$0.sh';;
    '');; # '' not found fix
    [Aa]rgs) echo $fixedinput;;
    *) echo "'$maininput' is not found";;
  esac
done

use for fix