updated stuff

bin/mo

@@ -141,15 +141,16 @@ mo() (
 #
 # Returns nothing.
 moCallFunction() {
-    local moCommand
+    local moArgs
+
+    moArgs=()
 
     # shellcheck disable=SC2031
-    if [[ -n "$MO_ALLOW_FUNCTION_ARGUMENTS" ]]; then
-        printf -v moCommand "%q %q %s" "$1" "$2" "$3"
-        eval "$moCommand"
-    else
-        "$1" "$2"
+    if [[ -n "${MO_ALLOW_FUNCTION_ARGUMENTS-}" ]]; then
+        moArgs=$3
     fi
+
+    echo -n "$2" | eval "$1" "$moArgs"
 }
 
 
@@ -834,15 +835,15 @@ moShow() {
 
     moSplit moNameParts "$1" "."
 
-    if [[ -z "${moNameParts[1]}" ]]; then
+    if [[ -z "${moNameParts[1]-}" ]]; then
         if moIsArray "$1"; then
             eval moJoin moJoined "," "\${$1[@]}"
             echo -n "$moJoined"
         else
             # shellcheck disable=SC2031
-            if [[ -z "$MO_FAIL_ON_UNSET" ]] || moTestVarSet "$1"; then
+            if moTestVarSet "$1"; then
                 echo -n "${!1}"
-            else
+            elif [[ -n "${MO_FAIL_ON_UNSET-}" ]]; then
                 echo "Env variable not set: $1" >&2
                 exit 1
             fi
@@ -1029,15 +1030,17 @@ moTrimWhitespace() {
 # Returns nothing.
 moUsage() {
     grep '^#/' "${MO_ORIGINAL_COMMAND}" | cut -c 4-
+    echo ""
+    set | grep ^MO_VERSION=
 }
 
 
 # Save the original command's path for usage later
 MO_ORIGINAL_COMMAND="$(cd "${BASH_SOURCE[0]%/*}" || exit 1; pwd)/${BASH_SOURCE[0]##*/}"
+MO_VERSION="2.0.4"
 
 # If sourced, load all functions.
 # If executed, perform the actions as expected.
 if [[ "$0" == "${BASH_SOURCE[0]}" ]] || [[ -z "${BASH_SOURCE[0]}" ]]; then
     mo "$@"
 fi
-